Suppose 1 gold bar is 6 cm long, 2 cm high, and 3 cm wide. How many whole gold bars will you be able to fit in a vault with a volume of 500 cm3?

A.

13 bars

B.

27 bars

C.

41 bars

The molar mass of nitrogen gas is 28.0g/mol. A 100.0-g sample of air contains how many moles of nitrogen

How many grams of vanadium would contain the same number of atoms as 58.693 g of nickel

Whats the chemical formula for dilute hydroxide acid

Consider the following equilibrium between N2O4 and NO2.[Heat is added to a brown 2 NO2 gas to yield a colorless N2O4 gas]Which condition would cause the reaction to become darker brown? a. Low temperatureb. High pressurec. Small volumed.

How will ions combine to form compounds? Describe the difference between an element and a compound.

How many moles of copper are present in a sample of tennantite with a mass of 2370 grams

The Calvin cycle is another name for the

When a solution is considered to have a high concentration of hydrogen ions (H+) is also considered to be? a) acidic b) basic c) neutral d) hot

Why does the sky change colors at sunset? 1 because the sun changes colors 2 because the atmosphere reflects colors 3 because long wavelengths are scattered the least 4 because short wavelengths are scattered the least

Consider the reaction N2 (g) + 3 H2 (g) 2 NH3 (g), which is exothermic as written. What would be the effect on the equilibrium position of adding N2 (g) ?