The atoms of hydrogen in the products is 2.4 * 10^21 atoms of hydrogen
What is decomposition?The term decomposition has to do with a type of reaction in which a substance is broken down into into its components.
The decomposition of ammonium chloride occurs as follows;
NH4Cl → NH3 + HCl
If 6.02 * 10^23 hydrogen atoms are present in 6.02 * 10^23 molecules
x hydrogen atoms are present in 2.4 * 10^21 molecules
x = 2.4 * 10^21 atoms of hydrogen
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How does the actual amount of the amino acid glycine found in stan’s apparatus compare to the amount of glycine in the murchison meteorite?
The amount of the amino acid glycine that is found in Stan’s apparatus is more than that of murchison meteorite.
What is amino acid?It should be noted that amino acid simply means organic compounds that contain both amino and carboxylate.
In this case, the amount of the amino acid glycine that is found in stan’s apparatus is more than that of murchison meteorite. This was depicted by the fraction of the three amino acids in the scenario.
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The actual amount of the amino acid glycine found in Stan’s apparatus is more than the amount of glycine in the Murchison meteorite.
What is amino acid?
Amino acids are the building blocks of proteins. The building blocks of life are amino acids and proteins.
Amino acids remain after proteins are digested or broken down. Amino acids are used by the human body to build proteins that aid the body to Break food down.It should be noted that amino acid simply means organic compounds that contain both amino and carboxylate.In this example, the amount of glycine detected in Stan's equipment is more than that found in the Murchison meteorite. The fraction of the three amino acids in the scenario represented this.
Hence amount of amino acid is more in Stan's apparatus as compared to the Murchison meteorite.
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As consumption of a synthetic material increases, the associated negative impacts to Earth required to produce the material increase.
Is this a true or false question? If so, then this would be a true statement. Synthetic materials are made in factories, and the usage of factories increases the risks of harmful gases and chemicals that negatively impacts Earth.
It is generally true that as consumption of a synthetic material increases, the associated negative impacts to Earth needed to produce the material also increase.
Why the given sentence is true?This is because the production of synthetic materials often requires the extraction and processing of non-renewable resources, such as petroleum, which can have a range of negative environmental impacts, including habitat destruction, air and water pollution, and greenhouse gas emissions.
Additionally, the disposal of synthetic materials can also lead to environmental problems, such as the accumulation of non-biodegradable waste in landfills and oceans.
However, it is important to note that not all synthetic materials have the same environmental impacts, and some materials may be more sustainable than others depending on their production methods and intended use. Hence, the given sentence is true.
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Your question is incomplete, most probably the full question is this:
True or false. As consumption of a synthetic material increases, the associated negative impacts to Earth required to produce the material increase.
A student used 1.2 g of hydrate in the first trial and 1.6 g in the second trial. Explain fully why her mass percent of water will be the same for both trials even though she used more hydrate in the second trial. (Do not simply state that the mass percent is an intensive property ).
Both trials of 1.2 g and 1.6 g will have the same mass percent of water because the ratio of the salt to the water of hydration is always constant for any hydrated salt.
Water of hydrationFor every hydrated salt, the ratio of the salt to the water of hydration remains constant irrespective of the amount of salt taken for experimental analysis.
For example, assuming the mass percent of water in 10g of a hydrated salt is 40%, if 100g of the same salt is taken, the mass percent will remain 40%.
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Low frequency waves have longer wavelength true or false
Answer:
True
Explanation:
Since the waves have low frequency that means the wavelength is going to be longer. Hope this helps
175 ml of a 1.6 m solution of kcl is diluted to a new volume of 1.0 l. what is the new concentration of the solution?
The new concentration of the KCl solution after mixing 1 L new volume is 0.28 M.
How do we calculate the concentration?Concentration in terms of molarity will be calculated by using the below equation as:
M₁V₁ = M₂V₂, where
M₁ = molarity of old KCl solution = 1.6 M
V₁ = volume of old KCl solution = 175 mL = 0.175 L
M₂ = molarity of new KCl solution = ?
V₂ = volume of new KCl solution = 1 L
On putting all these values on the above equation, we get
M₂ = (1.6)(0.175) / (1) = 0.28 M
Hence resultant concentration is 0.28 M.
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Suppose a researcher wanted to extract as much zinc ion as possible from solution a without any copper (ii) impurity. How many milliliters of solution b should the researcher add to solution a?
The extraction of metal usually makes use of the method of precipitation in which a reagent is added which is able to precipitate the required metal in its pure form without impurities.
What is extraction?The process of extraction has to do with the removal of a substance from another. It is usually the way that pure substances are obtained in chemistry. The question is incomplete but I will try to give a general idea.
The extraction of metal usually makes use of the method of precipitation in which a reagent is added which is able to precipitate the required metal in its pure form without impurities. We can not make numerica;l calculatiosn as the values are missing.
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According to the kinetic-molecular theory, what is one way the three states of matter are all similar?
The kinetic molecular theory of matter states that:
1. Matter is made up of particles that are constantly moving.
2. A change in phase may occur when the energy of the particles is changed.
3. All particles have energy, but the energy varies depending on the temperature the sample of matter is in. This in turn determines whether the substance exists in the solid, liquid, or gaseous state.
A soft drink contains 12.1% sucrose (C12H22O11) by mass. What volume of the soft drink solution in milliliters contains 102.5 g of sucrose? (Assume a density of 1.04 g/mL)
The volume of the soft drink solution in milliliters that contains 102.5 g of sucrose is 11.93mL.
How to calculate volume?The volume of a solution can be calculated by dividing the mass by the density. That is;
Volume = mass/density
According to this question, a soft drink contains 12.1% sucrose (C12H22O11) by mass. This means that the mass of the sucrose is
12.1/100 × 102.5 = 12.40g of sucrose
Volume = 12.40g ÷ 1.04g/mL
Volume = 11.93mL
Therefore, the volume of the soft drink solution in milliliters that contains 102.5 g of sucrose is 11.93mL.
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2CuCl2 + 4KI → 2CuI + 4KCl + I2
a. When 0.64 grams of CuCl2 reacts with 0.78 grams of KI, how many grams of I2 are formed?
b. What is the limiting reactant?
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Which of these is a ball and stick model?
What type of energy is shown in the circled portion of the graph? *
Answer:
Thermal Energy
Explanation:
Energy that is dissipated or absorbed as heat is in the form of thermal energy.
Which are characteristics of photosynthesis? (Select all that apply.) Oxygen is provided to animals from this process. It takes place in the flower of a plant. Plants use this process to make their food. It provides the energy that we obtain from our food.
Answer:
2 , 3 and 4
Explanation:
hope this helps you
0.05 moles of HCL are added to 2 L of H2O. What is the molarity of the solution?
Impossible to answer the question with the information provided.
1.60
0.025M
10.4
The molarity of a solution that has 0.05 moles of HCL are added to 2 L of H2O is 0.025M.
How to calculate molarity?The molarity of a solution can be calculated using the following formula:
M = n/V
Where;
M = molarityn = number of molesV = volumeM = 0.05/2
Molarity = 0.025M
Therefore, the molarity of a solution that has 0.05 moles of HCL are added to 2 L of H2O is 0.025M.
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A 0.205 g sample of caco3 (mr = 100.1 g/mol) is added to a flask along with 7.50 ml of 2.00 m hcl. caco3(aq) + 2hcl(aq) → cacl2(aq) + h2o(l) + co2(g) enough water is then added to make a 125.0 ml solution. a 10.00 ml aliquot of this solution is taken and titrated with 0.058 m naoh. naoh(aq) + hcl(aq) → h2o(l) + nacl(aq) how many ml of naoh are used?
Answer:
118MOLS
Explanation:
M1VI=M2V2
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Which can be directly linked to a reduction in the surface area available for gas exchange in human lungs
Emphysema is directly linked to a reduction in the surface area available for gas exchange in the human lungs.
What is Emphysema?Emphysema is a lung disease that causes shortness of breath.
The air sacs are damaged in this disease.
The inner walls of the air sacs weaken and rupture, resulting in a larger number of smaller air spaces.
Smoking is the primary cause of Emphysema
Thus, Emphysema is directly linked to a reduction in the surface area available for gas exchange in the human lungs.
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What are two benefits of using tides for energy?Good explanation=Brainliest.
Answer:
Advantages of tidal energyRenewable.
Tidal energy is a renewable source of energy, which means the energy doesn’t deplete as it is used. …
Zero carbon emissions. In addition to being a renewable energy source, tidal power stations do not emit greenhouse gasses during electricity generation. … Predictable. … High power output.
Explanation:
What factor would speed up a chemical reaction
Answer:
Adding Catalyst can Speed up a Chemical reaction
Answer: catalyst
Explanation:
a catalyst is a substance that helps speed up chemical reactions.
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Use Lewis symbols to predict the formula for the
compound that forms between magnesium and
nitrogen
The lewis structure of Magnesium nitride places eight electrons around N. 3 of these electrons are provided by Mg to get a stable conformation.
What is the Lewis structure?The Lewis structure is a representation of electron pairs in bonds between the atoms that compose the molecule. It can also show the solitary electron pairs that remain for each atom.
Electrons
When adding the valence electrons of each atom, we get the total number of electrons in the molecule.
The valence value is the number of electrons placed in the last energetic level of the atom.
The compound that forms between magnesium and nitrogen is magnesium nitride, Mg₃N₂. This is a simple salt with an ionic bond between a metal and a non-metal element.
What are the Metalic atoms?They are elements that express a tendency to lose valence electrons to get a stable electronic configuration. When they lose electrons, they remain positively charged. These are cations with positive charges and lose the valence electrons of their last level.
Mg has 2 electrons in its last level, so to get a complete stable configuration (2e-), it needs to lose 2 electrons.
Mg has two positive charges Mg ²⁺
What are the non-metalic atoms?They are elements that gain electrons to complete their last level. These are the anions. When they get electrons, they remain negatively charged.
Because Nitrogen has 5 electrons in its last level, it needs to add 3 electrons. In this way, it gets to the complete stable configuration (8e-).
N has three negative charges N³⁻
So, to complete the Lewis structure, we need to add Mg ²⁺ and N³⁻.
We know that
Mg loses two electrons,N needs to add three electrons.According to this, N needs more than one Mg to complete its last level.
So, in our calculations, we need to have three Mg and two N.
Two N need six electrons (-3e- x 2 = -6e-) to complete their last levelThree Mg can provide six electrons (+2e- x 3 = +6e-)You will find the final Lewis structure in the attached files.
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predict what happens when lead is added to nitric acid
When Lead reacted with nitric acid, lead(II) nitrate, nitrogen oxide and water are produced.
What products are produced when lead reacts with nitric acid?
Lead(II) nitrate, nitrogen oxide and water are the products which are produced by reacting lead and nitric acid with each other. The nitrogen attach with the lead molecule as well as oxygen which produces Lead(II) nitrate and nitrogen oxide.
So we can conclude that when Lead reacted with nitric acid, lead(II) nitrate, nitrogen oxide and water are produced.
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The rusting of iron is represented by the equation 4Fe + 3O2 --> 2Fe2O3. If you have a 3.5-mol sample of iron, how many grams of O2 are needed to rust the iron completely?
34.9 g
84.0 g
16.5 g
48.6 g
Answer:
84.0 g
Balanced equation: 4Fe + 3O2 --> 2Fe2O3
3.5-mol sample of ironFind moles of oxygen:
4Fe : 3O24 : 3(3.5/4)*3 = 2.625 molesFind mass of O2
mass = moles * Mrmass = 2.625 * 32mass = 84 gwhich element would be most likely to lose electrons in chemical bond
Based on the results of testing colorless solutions with indicators, which solution is most acidic?
A solution in which methyl orange is red indicates the most acidic substance.
What is an Indicator?This is defined as a substance that gives a visible sign, usually by a colour change when a chemical species is added.
On litmus paper, the redder the color is, the more acidic it is which was why methyl orange changing to darker red signifies most acidity.
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How many moles of each atom are there in 5 moles of cu3(po4)2
The number of moles of each atom present in 5 moles of Cu₃(PO₄)₂ are:
15 moles of Cu10 moles of P40 moles of ODescription of Cu₃(PO₄)₂1 mole of Cu₃(PO₄)₂ contains 3 moles of Cu2 moles of P(2×4) = 8 moles of OHow to determine the mole of each atomThe moles of atom present in 5 moles of Cu₃(PO₄)₂ can be obtained as follow
For Cu1 mole of Cu₃(PO₄)₂ contains 3 moles of Cu.
Therefore,
5 moles of Cu₃(PO₄)₂ will contain = 5 × 3 = 15 moles of Cu
For P1 mole of Cu₃(PO₄)₂ contains 2 moles of P.
Therefore,
5 moles of Cu₃(PO₄)₂ will contain = 5 × 2 = 10 moles of P
For O1 mole of Cu₃(PO₄)₂ contains 8 moles of O.
Therefore,
5 moles of Cu₃(PO₄)₂ will contain = 5 × 8 = 40 moles of O
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The number of moles of copper, phosphorous and oxygen present in the 5 moles of Cu₃(PO₄)₂ are 15, 20 and 40 respectively.
What is stoichiometry?Stoichiometry of any chemical equation gives idea about the amount of species present before and after the reaction.
Dissociation reaction of Cu₃(PO₄)₂ is shown as below:
Cu₃(PO₄)₂ → 3Cu²⁺ + 2PO₄³⁻
From the stoichiometry of the equation, it is clear that:
1 mole of Cu₃(PO₄)₂ produces 3 moles of copper atom, 2 moles of phosphorous atoms an 8 moles of oxygen atom.
5 moles of Cu₃(PO₄)₂ = produces 3×5=15 moles of Cu
5 moles of Cu₃(PO₄)₂ = produces 2×5=10 moles of P
5 moles of Cu₃(PO₄)₂ = produces 8×5=40 moles of O
Hence required moles of copper, phosphorous and oxygen are 15, 20 and 40 respectively.
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How does matter change its phase?
Explanation:
the answer can be in liquid, solid and gas
Explain the role of gravity in the waterfall.
Explanation:
A water fall falls and hits the base with force depending on the distance from which it fell.This force is caused by gravity pulling the water molecule as well as some other particles like eroded soil rapidly downwards.
What type of substance is water?
Question 17 options:
molecule
mixture
element
compound
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What are 3 ways that radio waves are used in everyday life?
What are 3 ways that infrared waves are used in everyday life?
Thank You!
Explanation:
which of the following is additive inverse of the following
Convert −5 ◦C to Kelvin.
"Review of the Basics" - WS #1
Directions: Please answer each fill in the blank with the best answer. »
1.
are atoms or groups of atoms that have a positive or negative charge.
2. A
is any atom or group of atoms with a positive charge
Answer: 1. Ions
2. Cation
Explanation:
No explanation; this is basic vocabulary. :)
At 101.3kPa and 298 K. What is the total amount of heat released Open one mole of aluminum oxide is formed from its elements
Answer:
The answer is (3) 1676 kJ. The heats of reaction at 101.3 kPa and 298 K for reaction: 4Al(s) +3O2(g)= 2Al2O3(s) is -3351 kJ. So for one mole of aluminum oxide is 3351/2=1676 kJ.