Tritium is an isotope of hydrogen (H) that has:

A. 1 proton and 0 neutrons

B. 2 protons and 1 neutron

C. 1 proton and 2 neutrons

D. 1 proton and 1 neutron

Specific heat of water is 4.18 J/g°C. How many Joules are needed to warm 10 grams of water from 10 to 25 degrees Celsius?

describes the sharing of a nonbonding electron pair on a nitrogen molecule with an oxygen atom, resulting in a nitrous oxide molecule?

How do we know that caramelizing sugar is a chemical change? it involves dissolving sugar in water. it changes the state of sugar from a solid to a liquid. it separates sugar from a sugar solution. it changes the sugar's color.

A crate is at rest on the ground. What force or forces are acting on the crate? A. There are no forces acting on the crate. B. The weight of the crate is acting downward on the crate. C.

Is cr2o3 a molecular or ionic compound?

Is freezing water a physical or chemical change

When would a cell use Active Transport? Mark all that apply. a. When the cell needs to move a compound down its concentration gradient. b. When the cell needs to move a compound against its concentration gradient. c.

Examples of gravitational potential energy.

What is a safety rule while using glass beakers

if a solution is saturated, how does the rate of dissolution of a solute compare with it's rate of crystallization?