Which one is not a sedimentery rock a.) sandstone b.) limestone c.) quartz d. (coal

Isotopes of the same element have different

If the pressure of a gas at constant volume is 3.5 atm at 100°c, what will the pressure be if the tempature is changed to 250°c?

How do you the density of a matchbox car which has a mass of 10 grams and the water level in the cylinder rises from 41 ml to 46 ml when it is dropped in?

Give an example of an oxidisation reaction!

How are chromosomes, genes, and DNA are connected?

What is the pH of a solution with a hydrogen-ion concentration ([H+]) of 8.7 x 10-6M? Is this acidic or basic?

What are three types of beta decay

Bacteria and protists are primarily unicellular organisms. How do bacteria and unicellular protists differ? Options: A) Protists have a single chromosome in a nuclear region, but no nuclear membrane.

A solution contains 0.159 mol K3PO4 and 0.941 molH2O. Calculate the vapor pressure of the solution at 55 ∘C. The vapor pressure of pure water at 55 ∘C is 118.1 torr. (Assume that the solute completely dissociates.)

When 711 J of heat is added to a 41.1 g of an unknown metal, the temperature of the metal increases from 22oC to 94oC. Calculate the specific heat of this metal