Sodium azide is best known as the chemical found in automobile airbags. In the reaction 2NaN3 → 2Na + 3 N2[65.01] [22.99] [28.02] how many grams of nitrogen will be produced when 35.0 g of NaN3 reacted? Molar masses are shown in the brackets below the substances.

When sodium choride (NaCl) dissolves in water, it is described as _______.

A weighing boat has a mass of 0.423 g. After some copper(II) sulfate pentahydrate is added, the mass is 2.825 g. What is the mass of the copper(II) sulfate pentahydrate in the weighing boat recorded to the correct number of significant figures?

The nuclear symbol of an isotope of fluorine is 19F. Indicate the number of protons, number of neutrons, atomic number, and mass number.Number of protons Number of neutronsAtomic numberNumber of electrons a9 10 9 9b9 10 9 10c9 9 9 9d9 10 10 9e10 9 9 9

What is the molar mass of aluminum sulfate, Al2(SO4)3?

What is the coefficient for H2 when the equation is properly balanced (simplest whole number ratio)?__ Al + __ H2SO4 → __ H2 + __ Al2(SO4)3?

Assuming that all are measured quantities, complete the following operation and express the result in the correct number of significant figures. 0.213/(0.02390 / 12.30)

In the combustion of natural gas according to the equation C2H4 + 3 O2 → 2 CO2 + 2 H2O[28.05] [32.00] [44.01] [18.02]how many moles of water are formed during the combustion of 0.208 mole of C2H4? Molar masses are shown in the brackets below the substances.

Consider the following code, assuming numpy has been imported as np. What will the code print? w = np.array([33, 33, 33]).reshape(-1, 1) print(w.shape)

Great CPAs LLP performs the annual audit for Big 4, Inc., and delivers a copy of the audit report to Small Time Bank, N.A., Big 4’s primary long-term creditor. Who is the audit client?