What are the similarities and differences between a $2 p_{x}$ and a $3 p_{y}$ hydrogen like orbital?

A $1.50 \mathrm{~g}$ sample of carbon is burned in a bomb calorimeter that has a heat capacity of $8.930 \mathrm{~kJ} /{ }^{\circ} \mathrm{C}$. The temperature of the water jacket rises from $20.00^{\circ} \mathrm{C}$ to $25.51^{\circ} \mathrm{C}$. What is $\Delta E$ for the combustion of 1 mole of carbon?

For the Bohr hydrogen atom determine whether there is an orbit having a radius of $4.00 \text{\AA}$

Explain how the moles of hydrogen can outnumber the moles of $\mathrm{CH}_4$ in a sample.

Over-the-counter hydrogen peroxide solutions are 3% (m/v). What is this concentration in moles per liter?

How many hydrogen atoms would be present in alkane molecules with eight carbon atoms?

What are the atomic number and mass number for each isotope?

(a) the hydrogen isotope with $2$ neutrons

According to Arrhenius, $________$ produce hydrogen ions in aqueous solution. whereas $______$ produce hydroxide ions.

How much energy is required to ionize a hydrogen atom when the electron is in the $n$th level?

Discuss the similarities and differences between a 1 s and a 2 s hydrogen like orbital.

Under co nstant-volume conditions, the heat of combustion of ben zoic acid

$$(C_6H_5COOH)$$

is 26.38 kJ / g. A 2.760-g sample of benzoic acid is burned in a bomb calorimeter. The temperature of the calorimeter increases from

$$21.60 \text { to } 29.93 ^ { \circ } \mathrm { C }$$

What is the total heat capacity of the calorimeter?

How many hydrogen atoms must bond to silicon to give it an octet of valence electrons?

Give the name and formula for the acid derived from each of the following anions: (a) hydrogen sulfate

How much energy is needed to ionize a hydrogen atom that is initially in its $n=4$ state?