Elle is pushing a box of mass 7.0 kilograms with the force of 25 newtons. If the force of friction is 2.6 newtons, what is the value of acceleration of the box?

Write a molecular equation for the gas-evolution reaction that occurs when you mix aqueous hydrobromic acid and aqueous potassium sulfide.

Why is it important to make sure that chemical equations are balanced and why should you not alter the identities of the substances involved when you balance an equation?

What happens to the density of most substances as they cool and solidify?

The fundamental particles of protons and neutrons are called ... a) molecules b) nucleons c) quarks d) electrons

Which statement best describes science? A) science can answer any and all questions B) science cannot answer questions about the natural world C) science cannot answer questions about what people should do D) science can answer only mathematical

Which of the following statements about igneous rocks is correct A. intrusive igneous rocks are formed when magma is called above the ground. B. Extrusive igneous rocks are formed when magma is cooled above the ground C.

The compound KOH is called

A balloon contains 1.00 mol helium gas at STP. What will the volume of the balloon be if the pressure increases to 2.00 atm?

If 100 mL of a gas were enclosed in a buret at 500 mm Hg, what volume would the gas occupy at 1000 mm Hg at the same temperature? P1V1=P2V2

Would Mn (HPO4) 2 be manganese (II) monohydrogen phosphate?