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3 years ago

Shown here is the chemical formula for ammonia.

Chemistry

1 answer:

Nostrana [21]3 years ago

8 0

Answer:

Explanation: Ammonia is made out of one nitrogen and three hydrogen atoms. Its structure is tetrahedral. Ammonia is used in nitric acid production, as a fertilizer, and a cleaning solution.

NH3, normally found as a gas, it is caustic and harmful in longterm exposure. NH3 has a boiling point of -33 Celsius, and must be stored under pressure, or at low temperatures.

Ammonia is regulated in the United States as a substance that is a non-flamable gas. However, it still meets the definition of a material that is toxic by inhalation and requires a hazardous safety permit.

Ammonia is usually a gas with a pungent odor. Ammonia used commercially is usually named anhydrous ammonia. An exposure to a very high concentration of ammonia could result in lung damage and death

Ammonia is a gas with a strong smell. Its chemical formula is NH3. If exposed to a very high concentration of ammonia, it can cause lung damage and death.

Ammonia, NH3, is a compound that is has a strong smell. Even though the gas helps the nutrition of our planet, it can cause serious problems to our health.

Ammonia, NH3, is a pungent gas. It is colorless, and used to manufacture fertilizers and

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If a pharmacist adds 10 ml of purified water to 30 ml of a solution having a specific gravity of 1.30, calculate the specific gr

xxMikexx [17]

The specific gravity of a sample is the ratio of the density of the sample with respect to one standard sample. The standard sample used in specific gravity calculation is water whose density is 1 g/mL. The solution having specific gravity 1.30 is the density of the sample that is 1.30 g/mL. Thus the weight of the 30 mL sample is (30×1.30) = 39 g.

Now the mass of the 10 mL of water is 10 g as density of water is 10 g/mL. Thus after addition the total mass of the solution is (39 + 10) = 49g and the volume is (30 + 10) = 40 mL. Thus the density of the mixture will be $\frac{49}{40}=1.225$ g/mL. Thus the specific gravity of the mixed sample will be 1.225 g/mL.

6 0

3 years ago

The decomposition of hydrogen peroxide (H2O2(aq)) is proposed to follow a reaction mechanism of: Step 1: H2O2(aq) + Br–(aq)→H2O(

lys-0071 [83]

Answer:

Option (1) Br– is the catalyst, and the reaction follows a faster pathway with Br– than without

Explanation:

Let us consider the equation below:

Step 1:

H2O2(aq) + Br–(aq) → H2O(l) + BrO–(aq)

Step 2:

BrO–(aq) + H2O2(aq) → H2O(l) + O2(g) + Br–(aq)

From the above equation, we can see that Br– is unchanged.

This implies that Br– is the catalyst as catalyst does not take part in a chemical reaction but they create an alternate pathway to lower the activation energy in order for the reaction to proceed at a much faster rate to arrive at the products.

8 0

3 years ago

HELP ME THIS IS DUE TODAY PLEAS HELP SO I DONT FAIL

bija089 [108]

For the first one it’s 69 just count the little lines from the side.

3 0

4 years ago

Suppose a compound is involved in three different reactions denoted R1, R2, and R3. Tripling the concentration of this reactant

pickupchik [31]

Answer:

The order of reaction is as follows, R1 = 1; R2 = 2; R3 = 0

Explanation:

The rate of a chemical reaction is the number of moles of reactants consumed per unit time or the number of moles of products formed per unit. the rate of a chemical reaction is affected by the concentration of reactants

The relationship between the rate of a chemical reaction and the concentration of its reactants is given by the rate law or equation.

Generally, the rate equation is given as;

Rate = k[A]ᵃ[B]ᵇ..., where k = rate constant which is independent of concentration of the reactants, [A] = concentration of reactant A, a = order of reaction A, [B] = concentration of reaction B, b = order of reaction B.

For the given reactions R1, R2 and R3

For R1; rate = 3, Concentration = 3[A]

3 = k[A]3ˣ

3¹ = k[A]3ˣ

Since rate is proportional to concentration, therefore, the order of reaction, x = 1

For R2; rate = 9, Concentration = 3[A]

9 = k[A]3ˣ

3² = k[A]3ˣ

Since rate is proportional to concentration, therefore, the order of reaction, x = 2

For R1; rate = 1, Concentration = 3[A]

1 = k[A]3ˣ

3⁰ = k[A]3ˣ

Since rate is proportional to concentration, therefore, the order of reaction, x = 0

Therefore, the order of reaction is as follows, R1 = 1; R2 = 2; R3 = 0

6 0

3 years ago

Oxidation is _______?

Vika [28.1K]

Answer:

the process or result of oxidizing or being oxidized

6 0

3 years ago