23. How much heat do you need to raise the temperature of 100g of aluminum from 15oC to 45oC? q=mC∆T

In kilometers how much larger is the distance around the earth from east to west than the distance from north to south

What has a greater effect on an object's kinetic energy---doubling its mass or doubling its speed? Explain

The experiment that shot heavy particles at a thin sheet of gold foil was responsible for leading to the discovery of the what?

Which microscope uses electrons to study the surface of an object?

KOH and LiOH are examples of bases neutral compounds acids salts

Which element could chlorine bond with to form an ionic compound? helium oxygen fluorine sodium

Given 4.8 moles of a gas in a 1.8 L container, if the temperature is found to be 31 degrees Celsius, what is the pressure of the gas? (The ideal gas constant is 0.0821 L · atm/mol · K and 1 atm = 760 torr.) 6.79 torr 66.55 torr 6.79 x 100 atm 6.

Write this number to two significant figures in scientific notation. Use the "^" character to indicate the exponent. 4.253

AN atoms nucleus contains it's protons and electrons true or false

What is the difference between parent geometry and actual geometry