Other Chemistry Answers

Which of the following will have a greater value for phosphorous than for magnesium?
a. atomic radius
b. ionization energy
c. electronegativity

calculate the no. of atoms in 3.5 moles of cuso4

Which of the following species has a Lewis structure with a molecular geometry similar to SO2?

Select one:

H2S
NO2 negative one
Cl2CO
N2O
NO2

Which chamical attract rice like megnet?

a.Explain what can be observed if you place some fine carbon dust in water and look at it under the microscope.
b.Give the name that best describes what takes place in this experiment.

number of orbitals associated with 3rd shell is ?

Which of these is the correct word equation for the reaction, 6H2O (l) + 6CO2 (g) → 8C6H12O2 (s) + 6O2 (g)?

a.... Carbon dioxide gas and liquid water react to form solid glucose and oxygen gas.
b.... Glucose and oxygen gas react to form carbon dioxide gas and liquid water.
c.... Carbon dioxide and water vapor react to form solid glucose and oxygen gas.
d.... Carbon dioxide, water vapor, and glucose, react to form oxygen gas.

Which of these is the correct word equation for the reaction, 3H2 (g) + 6C (s) → C6H6 (l)?

a.... Solid carbon reacts with hydrogen gas to form liquid benzene.
b.... Solid carbon reacts with hydrogen gas to form gaseous benzene.
c.... Liquid benzene decomposes to form solid carbon and hydrogen gas.
d.... Solid carbon decomposes to form hydrogen gas and liquid benzene.

Which of these is the correct word equation for the reaction, 2Na (s) + 2H2O (l) → 2NaOH (aq) + H2 (g)?

a.... Solid sodium reacts with liquid water to produce aqueous sodium hydroxide and hydrogen gas.
b.... Solid sodium reacts with liquid water to produce aqueous sodium hydroxide and liquid hydrogen.
c.... Solid sodium reacts with liquid water to produce aqueous sodium hydroxide and aqueous hydrogen.
d.... Aqueous sodium hydroxide and gaseous hydrogen gas react to form solid sodium and liquid water.

Which of these reactions is correct for nitrogen gas reacting with hydrogen gas to form gaseous ammonia?
a.... N2 (g) + 3H2 (g) → 2NH3 (s)
b.... N2 (g) + 3H2 (g) → 3H2 (g) + 2NH3 (s)
c.... 2NH3 (g) → N2 (g) + 3H2 (g)
d.... N2 (g) + 3H2 (g) → 2NH3 (g)
.