Determin the number of moles of compound within 0.25 g of glycine, C2H5NO2

Calculate the molar mass of the following compound: nitric acid, HNO3

How many σ and π bonds are present in the molecule CS2 ? the structure of this molecule is shown as following:

Write a balanced chemical reaction: Ammonia reacts with oxygen in the air to produce nitrogen monoxide and water.

Methionine is an amino acid found in proteins. Lewis structure of this compound is shown below. What is the hybridization type of the nitrogen atom?

What are the products of the reaction between barium hydroxide Ba(OH)2 and hydrogen chloride (HCl)?

What is the pressure in a 16.8 L container that has 32.5 g of carbon dioxide at 64 °C?

If 14.5 kJ of heat were added to 485 g of liquid water, how much would its temperature increase? Specific heat of water is 4.184 J/g∙°C.

What’s the mass in grams of 1.02 × 1022 molecules of nitric acid (HNO3)?

What mass of methane is required to produce 1.130 kg of carbon dioxide during combustion? (Assume the reaction undergoes complete combustion.) CH4(g) + O2(g) → CO2(g) + H2O(g)