Compute the mass percent of carbon, hydrogen, nitrogen, and oxygen in caffeine, C8H10N4O2

A silver block, initially at 58.5°C, is submerged into 100.0 of water at 24.8°C in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 26.2 °C. What is the mass of the silver block?

A 1.87 L aqueous solution of KOH contains 155 g of KOH. The solution has a density of 1.29 g/mL. Calculate the molarity (M), molality (m), and mass percent concentration of the solution

Using John daltons method, what's the ratio of the chemical compound of Salt - NaC1

What would happen to a 10 kg block of ice if you slowly increased the kinetic energy of the molecules within the ice

Arrange follwoing substances from lowest to highest lattice energy" MgS, KI, GAN, LiBr

How many moles of barium hydroxide, Ba (OH2), would be required to react with 117 g hydrogen bromide, HBr?

Which carbon compound is soft, slippery, a decent electricity conductor, and bonded in a way that forms planes? coal petroleum graphite

Which of the following describes chemical properties

What's nuclear decay

When is a hurricane nears land, causes the most damage?