Which of the following is an example of convection?

a hot object transferring heat to a cooler one

hot air rising and cooler air falling

the rays of the Sun warming the earth

a hot oven warming the air around it

What is a sentence for weathering

Which equation agrees with the ideal gas law? StartFraction V subscript 1 over T subscript 1 EndFraction equals StartFraction V subscript 2 over T subscript 2 EndFraction. V subscript 1 n subscript 1 equals V subscript 2 n subscript 2.

Methanol burns in oxygen to form carbon dioxide and water. part a write a balanced equation for the combustion of methanol. write a balanced equation for the combustion of methanol.

What mass of glucose is contained in 500.0 ml of a 5.00% (m/v) solution?

State one reason why this is the recommended procedure for placing a coverslip

What is the temperature of 100 liter container having 1 mole of an ideal gas at a pressure of 20 kilopascals

5.2*10^26 molecules of ch4 in volume

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?