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4 years ago

Balance this reaction if necessary Answer is C NH3 + CO2 + H2O → NH4HCO3

Chemistry

1 answer:

Leto [7]4 years ago

8 0

This reaction is already balanced.

$NH_{3} + CO_{2} + H_{2} O --> NH_{4} HCO_{3}$

<u>Explanation</u>:

Balanced chemical reaction :

It is defined as the chemical reaction in which the number of individual atoms of an element in the reactant side always be equal to the number of individual atoms of an element in the product side.

The given balanced reaction will be,

$NH_{3} + CO_{2} + H_{2} O --> NH_{4} HCO_{3}$

By this equation, we can say that,

1 mole of $NH_{3}$ + mole of $CO_{2}$ + 1 mole of $H_{2}O$ combines to give 1 mole of $NH_{4}HCO_{3}$ as a product.

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Find the pH of 8.4x10^-8 M HCl. Report the answer to the hundredths place.

Hunter-Best [27]

Answer:

pH = 7.08

Explanation:

HCl ---------> H^+ + Cl^-

It's an acid, we are using this formula

pH = -log [H]^+

H^+ = 8.4 * 10^-8

pH = - log [8.4 * 10^-8]

It can also be solved as

-log 8.4-(-8log 10)

-0.924-(-8×1)

-0.924+8

7.076

To the nearest hundredth

pH = 7.08

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4 years ago

Under the gold standard, a country in balance-of-trade equilibrium earns income from exports that is equal to the money its resi

solong [7]

The answer is true.

Explanation:

The balance of trade is nothing but the country's exports minus the country's imports.

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When you export more than you import, you have trade surplus .In that case the income from exports are more than the money spent. So you have a trade surplus.

When you import then you have a trade deficit or your income is low. Most of the countries want a trade surplus.

But when the Income from exports and the money spent on imports are the same , the situation is that of balance of trade equilibrium, where the income from exports is equal to the money its residents pay for the imports.

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3 years ago

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Its a form of anaesthesia used by dentists

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3 years ago

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3 years ago

2. If you have 8.08 g of hydrogen, how many grams of ammonia will your produce?

Nikolay [14]

answer: Stoichiometry is a big word for a process that chemist’s use to calculate

amounts in reactions. It makes use of the coefficient ratio set up by balanced

reaction equations to make connections between the reactants and products

in reactions.

 Stoichiometry calculates the quantities of reactants and products in a

chemical reaction. The equation must be balanced!

 Questions that deal with amounts in reactions are examples of reaction

stoichiometry. We already have the tools necessary to solve this question.

We just need to learn a new way to apply skills such as writing chemical

formulas, calculating formula masses, and converting from mass to moles,

particles to moles, and volume of gases to moles.

 Mole to Mole Conversions- you must have the Mole Ratio.

Illustration:

Let’s use an analogy that we can understand to begin to understand the process.

The KEY to any mole conversion is the ratio of coefficients in the reaction

equation. Say I want to make a bacon double cheeseburger. Let’s get our recipe

together.

1 hamburger bun + 2 hamburger patties + 2 slices of cheese + 4 strips of bacon →

1 bacon double cheeseburger

Based on this recipe:

1) If I have five bacon double cheeseburgers:

a. How many hamburger buns did you use? → 5 hamburger bun

b. How many hamburger patties did you use? → 10 hamburger patties

c. How many slices of cheese did you use? → 10 slices of cheese

d. How many strips of bacon did you use? → 20 strips of bacon

2) How many bacon double cheeseburgers can you make if you start with:

a. 2 buns, 4 patties, 4 slices of cheese, 8 strips of bacon

2 bacon double cheese burgers

b. 1 dozen buns, 2 dozen patties, 2 dozen slices of cheese, 4 dozen strips of bacon

1 dozen bacon double cheese burgers

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3 years ago