On the line provided, identify the form of each of the following verbs by writing B for base, P-P for present participle, PT for past, or PT-P for past participle.

Examples:

$\underline{\color{#c34632}{P-P}}$ (were) laughing

$\underline{\color{#c34632}{PT}}$ Sang

______(had) scheduled

Write the letter for the word that best completes each sentence.

Laughing with someone is friendship; laughing at someone is........

a. compunction

b. revulsion

c. derision

d. ostracism

Answer the following questions. Would a person who is reacting impassively be laughing, gasping, or shrugging?

A tank contains helium gas at 1.50 atm. What is the pressure of the gas in mmHg?

Hydrogen reacts with nitrogen monoxide to form dinitrogen monoxide (laughing gas) according to the equation: $\mathrm{H}_2(\mathrm{~g})+2 \mathrm{NO}(\mathrm{g}) \longrightarrow \mathrm{N}_2 \mathrm{O}(\mathrm{g})+\mathrm{H}_2 \mathrm{O}(\mathrm{g})$ Determine the rate law, the rate constant, and the orders with respect to each reactant from the following data: | [NO]($\mathrm{M}$)$|$0.30$|$0.60$|$0.60$| |--------------------------------------------------------------------------|-----------------------|------------------------|------------------------| |$\left[$\mathrm{H}$_2\right]($\mathrm{M}$)$|$0.35$|$0.35$|$0.70$| | Rate$\left($\mathrm{mol}$ $\mathrm{L}$^{-1} $\mathrm{~s}$^{-1}\right)$|$2.835 \times 10^{-3}$|$1.134 \times 10^{-2}$|$2.268 \times 10^{-2}$ |

Dinitrogen oxide $\left(\mathrm{N}_2 \mathrm{O}\right)$ is also called "laughing gas." It can be prepared by the thermal decomposition of ammonium nitrate $\left(\mathrm{NH}_4 \mathrm{NO}_3\right)$. The other product is $\mathrm{H}_2 \mathrm{O}$.
How many grams of $\mathrm{N}_2 \mathrm{O}$ are formed if $0.46 \mathrm{~mol}$ of $\mathrm{NH}_4 \mathrm{NO}_3$ is used in the reaction?

Hydrogen reacts with nitrogen monoxide to form dinitrogen monoxide (laughing gas) according to the equation: $\mathrm{H}_{2}(g)+2 \mathrm{NO}(g) \longrightarrow \mathrm{N}_{2} \mathrm{O}(g)+\mathrm{H}_{2} \mathrm{O}(g)$ Determine the rate equation, the rate constant, and the orders with respect to each reactant from the following data:

$$\begin{matrix} \text{[NO] (M) } & \text{}{030} & \text{0.60} & \text{0.60}\\ \text{}{\left[\mathrm{H}_{2}\right](M)} & \text{0.35} & \text{0.35} & \text{0.70}\\ \text{Rate (mol/L/s)} & \text{}{2.835 \times 10^{-3}} & \text{}{1.134 \times 10^{-2}} & \text{}{2.268 \times 10^{-2}}\\ \end{matrix}$$

Draw two lines under each verb or verb phrase. Then write the tense of each verb in the blank before the sentence. Some sentences have more than one verb.
_____We have been laughing at Sara’s joke for five minutes.

On the line provided, identify the form of each of the following verbs by writing B for base, P-P for present participle, PT for past, or PT-P for past participle.

Examples:

$\underline{\color{#c34632}{P-P}}$ (were) laughing

$\underline{\color{#c34632}{PT}}$ Sang

______activate

What is a greenhouse gas ?

On the line provided, identify the form of each of the following verbs by writing B for base, P-P for present participle, PT for past, or PT-P for past participle.

Examples:

$\underline{\color{#c34632}{P-P}}$ (were) laughing

$\underline{\color{#c34632}{PT}}$ Sang

______was

An example of likely deportment at a comedy show a. crying b. laughing c. hopping d. running

Dinitrogen oxide (or nitrous oxide), $\mathrm{N_2O}$, also known as laughing gas, is widely used as an anesthetic in dentistry. How many grams of N are in 34.0 g of $\mathrm{N_2O}$?

What is natural gas? How is natural gas transported to where it is needed?