The reaction between ammonia and nitrous oxide is given below:
[tex]2NH3(g) + 3N2O(g)→ 4N2(g) + 3H2O(g)[/tex]

We therefore know that which of the following reactions can also occur?

​

Explanation:

CaCO3 = CaO + CO2

1mol. 1 mol

100. 56

1 ×100. 1 × 56

100. 56

100g of CaCO3 produces 56g of CaO

25.2g of CaCO3 produces x

x = 25.2 ×56

100

x =14.112g of CaO

Answer:

There are a total of 1.13×1024atoms in 75 grams of calcium atoms.

Explanation:

Answer:

Average Molar mass is 114.8u

Explanation:

» From the formula of average Relative Atomic Mass [ RAM ]

[tex]{ \rm{RAM = \sum \frac{(isotopic \: mass \times \%abundance)}{100} }} \\ [/tex]

» We have two isotopes of Indium,

[tex]{ \tt{RAM = \frac{ \blue{(112.9 \times 4.28)} + { \green{(114.9 \times 95.72)}}}{100} }} \\ \\ { \tt{RAM = \frac{11481.44}{100} }} \\ \\ { \underline{ \underline{ \tt{ \: RAM = 114.8\: }}}}[/tex]

Answer:

Explanation:

If any doubt comment your question or what needs clarification.

The compound barium acetate is a strong electrolyte. The reaction when solid barium acetate is put into water is written as

Ba(C₂H₃O₂)₂  -->  Ba ²⁺  +  2 C₂H₃O₂⁻¹

Barium acetate has the molecular formula of Ba(C₂H₃O₂)₂. It is a strong electrolyte. Strong electrolytes are those substances which when dissolved in water dissociates into ions. So when this specific substance is placed into water, this compound simply dissociates into its corresponding ionic forms, that is shown below

Ba(C₂H₃O₂)₂  (s)-->  Ba ²⁺ (aq)  +  2 C₂H₃O₂⁻¹ (aq)

So here We must take note that the 2+ and 1- are the charges of the ion.

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Refer to the attachment

In the energy graph of an endothermic reaction, the reactants would appear at a lower energy state than the products.

An endothermic reaction is a reaction in which heat is absirbed from the surroundings in order for the reaction to proceed.

In endothermic reactions, the heat content of the products is higher than the heat content of the reactants.

Therefore, in the energy graph of an endothermic reaction, the reactants would appear at a lower energy state than the products.

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Since we are missing the diagram to work with, we will answer this assuming that the test tube was placed inside a beaker of stearic acid, in which case the transfer of thermal energy is by way of radiation.

Thermal radiation is the most common method of transferring thermal energy. We see this every day, for example when a cup of coffee becomes colder over time, this is due to the coffee radiating its heat into the surrounding air. The heat will travel in waves through air or water, which is what happens to the test tube and the beaker.

Therefore we can confirm that in the case described and with the assumption made regarding the placement of the test tube,  the transfer of thermal energy will be by way of radiation.

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Answer:

cooperate and share ideas between each other and put people with people they know well or work well with.

Explanation:

Reaction 1 : Add Zinc to Copper Sulfate.

Observations of Reactants :  Zinc is in solid state and copper sulfate in aqueous state.

Predicted Type(s) of Reaction : Single-displacement reaction

Observations of Products : Copper is in solid state and zinc sulfate in aqueous state.

The balanced chemical reaction :

Types of reaction : Single-displacement reaction : It is a type of reaction in which a single element displaces another element in a compound.

Reaction 2 : Mix Potassium Iodide and Lead (II) Nitrate.

Observations of Reactants :  Potassium iodide is in solid state and lead nitrate in aqueous state.

Predicted Type(s) of Reaction : Double-displacement reaction

Observations of Products : Lead iodide is in solid state and potassium nitrate in aqueous state.

The balanced chemical reaction :

Types of reaction : Double-displacement reaction : It is a type of reaction in which two reactants exchange their ions to form two new compounds.

Reaction 3 : Burn Copper Wire.

Observations of Reactants :  Copper is in solid state and oxygen in gas state.

Predicted Type(s) of Reaction : Oxidation reaction

Observations of Products : Copper oxide is in solid state.

The balanced chemical reaction :

Types of reaction : Oxidation reaction : In a oxidation reaction, a substance gains oxygen.

Reaction 4 : Heat Sodium Carbonate.

Observations of Reactants :  Sodium carbonate is in solid state.

Predicted Type(s) of Reaction :  Thermal decomposition reaction

Observations of Products : Sodium oxide is in solid state and carbon dioxide in gas state.

The balanced chemical reaction :

Types of reaction : Thermal decomposition reaction : It is defined as the breaking down of a chemical compound due to heating.

Answer:

its false

Explanation:

srry if its wrong ;-;

Answer:

d)A generator converts solar energy into electricity usee to pump water from the sea to the resevoir

A generator converts solar energy into electricity used to pump water from the sea to the reservoir. So, option D is correct.

Solar energy works by transforming solar energy into power. Electricity and heat are the two energy types that the sun produces for human use.

Both are produced using solar panels, which may be found on everything from home rooftops to vast "solar farms" covering acres of rural land.

Solar energy is electrical energy produced directly from sunshine. Solar energy can be utilized to generate electricity or thermal energy. Sustainable Energy We don't use any of the Earth's resources, like coal or oil, when we use solar electricity.

Solar energy is a key energy source in the transition to the creation of clean energy since the sun produces more energy than humans could ever require.

Thus, option D is correct.

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Answer:

gas heating

Explanation:

the rising curves are the states rising in tempurature while the flat sequences are the states of matter actually changing. A-b is the solid heating, then b-c is the melting (changing into liquid), c-d is liquid heating, then d-e is vaporizing, leaving e-f being gas heating.

edit: typo

Answer:

gas heating

Explanation:

that's all I hope it helps

The iron oxide has 69.9

Answer:

A molecular equation is an equation in which the formulas of the compounds are written as though all substances exist as molecules. However, there is a better way to show what is happening in this reaction.

Explanation:

#Carry on learning

The greater the mass the greater the amount of force needed to accelerate the object. More force is required to move a heavier object than a lighter object.

Answer:

The heat and pressure can rearrange the minerals in the rocks

Answer: 3) The amount of water vapor in the air.

3.

It was so hard

Explanation:

Nothing

Answer: 16 different air molecules

Explanation: jhit smart

Answer:

An unprocessed chemical is one that is found in nature, such as chemicals from plants, micro-organisms, animals, the earth, and the sea. A synthetic chemical is a chemical that is extracted using a process that does not change its chemical composition but does alter its physical or physiological properties.

Explanation:

Can you mark me brainiest, please?

Mumbai is the best as it has the largest population and the closest temp to that of cooking pasta

Mumbai an city in India with an average temperature of 33C and a population of about 21,296,516

Denver a city in Colorado in the USA with a temperature of 5C and a population of 705,576 (2019)

Mexico City  a city in Mexico with a temperature of 12C and a population of 9 Million persons

Therefore, Mumbai is the best as it has the largest population and the closest temperature to that of cooking pasta

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Answer:

089

Explanation:

I have no idea

Based on the data from the calorimetry experiment, the enthalpy change, ΔH of the reaction is -286 KJ .

The enthalpy change, ΔH of a reaction is the amount of heat evolved or absorbed when reactant molecules react to form products.

From the calorimetry experiment, the determined heat of combustion of 1.01 g of H2(g) reacting with excess O2(g), qsoln = 143 kJ.

Heat is evolved in the reaction, therefore the qsoln = -143 kJ

Equation of reaction is given as:

H2(g) + ½ O2(g) → H2O (l)

Molar mass of H = 1.01 g

Mass of H2 = 1.01 g × 2 = 2.02 g

ΔH of the reaction = -143 kJ × 2.02/1.01

ΔH of the reaction = -286 KJ

Therefore, the enthalpy change, ΔH of the reaction is -286 KJ .

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Answer:

dasdw

Explanation:

Answer: Normally I would need more info but I believe the answer is -Higher temperature air is less dense.

Explanation:

Took The Same Quiz!

No action is required. The sailboat should change course and speed.

Answer:

So if we need to react with 88 gm. of copper 2 then at least 3-4 liters.

Explanation:

Answer:

D. Copper

Explanation:

Less reactive metals like Copper, gold and silver does not react with dilute HCl to produce Hydrogen gas.

Answer:

D. Copper

Explanation:

Copper is less reactive than Hydrogen.

The glowing splint in the reaction of hydrogen gas and oxygen gas to form water provides the activation energy for the reaction.

A chemical reaction involves the combination of two or more substances to yield a new substance which is different from the starting materials. It may also involve the break up a substance.

Since energy is required for a chemical reaction to take place, the glowing splint in the reaction of hydrogen gas and oxygen gas to form water provides the activation energy for the reaction.

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