Calculate the molarity of a solution that has 2.02 mol KNO3 in a 250.0

mL solution.

which of the following colors is highly variable and can be either cool or slightly warm depending on how it's used? a) gold b) orange c) violet d) blue

How do you write and interpret electron configurations?

Heated blocks of iron used to be warm bed. A 1600g brick of iron heated to 155c would release how many joules of heat energy as it cooled to 25c?

What type of matter is colored water? a. a heterogeneous mixture b. an element c. a homogenous mixture?

Explain how you would find the number of moles of carbon in 4.5 kg of carbon.

A living thing that cannot make its own food and must eat other living things for energy

Which best explains why astronauts appear weightless when they are in a space shuttle orbiting Earth? • They are falling toward Earth at the same rate as the space shuttle.

If increase the amplitude how does the velocity change? (No google)

What is the result of multiplying (2.5 * 1010) * (3.5 * 10-7) ? Use the correct number of significant digits.

What is 0.002353 to two significant figures