What is the mass of 1.72 moles of sodium nitrate

A cyclist rode at an average speed of 10 mph for 15 miles. How far was the ride

Calculate the vapor pressure at 35ºC of a solution made by dissolving 20.2 g of sucrose (C12H22O11) in 60.5 g of water. The vapor pressure of pure water at 35ºC is 42.2 mmHg.

Why does the temperature remain constant during melting till all the ice has melted?

What is the energy stored in the nucleus of an atom called

What is the easiest / cheapest hydroponics system that a student can make from almost everyday items

What is the enthaply of the reaction?

Which color has a higher frequency, A. red light B. blue light

what is the volume of 0.98 mol oxygen (O2) gas at 275 K and a pressure of 2.0 atm? (the universal gas constant is 0.0821 L*atm/mol*K)

Which element is classified as an alkali metal? Rb Sr Zr Cl

Which statements about a neutral atom are correct? Check all that apply. The positively charged particles in the nucleus are positrons. The radius of the electron cloud is twice as large as the radius of the nucleus.