The molecular formula for butane is $\mathrm{C}_4 \mathrm{H}_{10}$. Do you think that butane has the properties of an acid? Explain

In 1896, Lord Rayleigh showed that a mixture of two gases of different atomic masses could be separated by allowing some of it to diffuse through a porous membrane into an evacuated space. Rayleigh proposed that the molecules of lighter gas diffuse through the membrane faster, leaving the heavier gas behind in the original space. He described this "separation factor" as equal to $\sqrt{m_{2} / m_{1}}$,where $m_{1}$ is the molecular weight of a lighter gas and $m_{2}$ is the molecular weight of a heavier gas. Give a reason why the separation factor depends on the square root of the ratio of the molecular masses.

Find the molecular mass for the following chemicals that decompose to produce gases and could be used in an airbag.

$$\mathrm{NH}_4 \mathrm{NO}_3$$

Draw the condensed structural formulas and write the $IUPAC$ names for two structural isomers of the carboxylic acids that have the molecular formula $C_4H_8O_2$

What is the boiling point of a solution that contains 1.00 kg of water and each of the following quantities of solute?

a. 3.00 moles of glucose (a molecular compound)

b. 3.00 moles of lactose (a molecular compound)

c. 3.00 moles of NaCl (an ionic compound)

d. 3.00 moles of $\text{Na}_3\text{PO}_4$ (an ionic compound)

Identify each underlined word by writing above it ADJ for adjective or PRON for pronoun. For $\underline{much}$ of our vacation, Dad had found $\underline{another}$ route for us to follow.

Analysis of a sample of polyacrylonitrile shows that there are six lengths of chains, with the following number of chains of each length shown in the table below. Calculate the weight average molecular weight and degree of polymerization.Analysis of a sample of polyacrylonitrile shows that there are six lengths of chains, with the following number of chains of each length shown in the table below. Calculate the number average molecular weight and degree of polymerization.

According to data from the American Medical Association, 10% of us are left-handed. if three people are randomly selected, find the probability that at least one of them is left-handed.

How could you determine quantitatively whether the ionic compound table salt or the molecular compound table sugar is more soluble in water?

Write the letter for the word that best completes given sentence.
_________ Rita's ______ was momentarily shaken when the rest of us shouted "Surprise!"
a. composure
b. pandemonium
c. alacrity
d. incitement

Which group of morphologically unusual bacteria, absent from molecular surveys of prokaryotes in the rumen, seem to dominate activities in the termite hindgut?

Find the molecular mass for the following chemicals that decompose to produce gases and could be used in an airbag. $\mathrm{C}_2 \mathrm{H}_6$

Consider the reaction

$$\mathrm{N}_2(g)+3 \mathrm{H}_2(g) \longrightarrow 2 \mathrm{NH}_3(g)$$

Suppose that at a particular moment during the reaction molecular hydrogen is reacting at the rate of $0.082 \mathrm{M} / \mathrm{s}$.

(a) At what rate is ammonia being formed?

(b) At what rate is molecular nitrogen reacting?

Circle the letter of the instrument shown that is used to measure mass.
a. scale
b. balance beam
c. platform balance
d. analytical balance