Determine the number of moles in 549 grams of KNO3

A book is pushed and released and it slides across a table for a short distance. The book quickly comes to a stop. The book originally has kinetic energy. To what form of energy is the kinetic energy transformed?

Convert 22.4kg/l to kg/ml

What is the 112th element

What is the proper way to record observations in your data tables? What should you do if you make a mistake in your written observations?

Two balloons are charged with an identical quantity and type of charge: 0.004 C. They are held apart at a separation distance of 5m. Determine the magnitude of the electrical force of repulsion between them.

The agricultural practice of spraying insecticides leaves behind which pollutant in the soil? A. Chemical poison B. Excess nitrogen C. Excess salt D. Acidic compounds

What is the name of the compound composed of iron and carbonate? [hint: iron has a + 3 charge in this compound]?

In a chemical equation the products appear on which side of the equation? A. Left B. Top C. Right D. Bottom

What does the shape of a protein molecule resemble?

Which set of terms best defines what affects kinetic energy and potential energy, respectively? position, gravity gravity, velocity velocity, height height, position