What is the mass in grams of a 8.4 mole sample of iron?

Give the number of significant figures: 3.10 cm

A child is male because he has one X chromosome and one Y chromosome where did these chromosomes come from

Oxygen tanks can explode if the gas tanks is ignited. Why is this?

A hunk of up gold weighs 800 gram to heat the gold up to a temperature of 200 Kelvin if the gold absorbs 12 kilojoules of energy what was the initial temperature of the Gold? The specific heat capacity of gold is 0.129 grams times C

How does delta g affect keq?

A solution that is 33.6 % by mass of phenol (C6H5OH) in water is prepared. What is the mole fraction of the phenol?

Describe the law of conservation of momentum

14. What steps should you take to keep parents and the public from viewing your personal information on social networks?

Match the factors which affect the rate of dissolving/dissociation/diffusion.

How would the equilibrium of an exothermic reaction at 25°c be affected if the temperature of the system were reduced? (hint: apply le chatelier's principle) ?