A gas has a pressure of 98kPa at 75.0°C, what is the new temperature if the pressure is reduced

to 10kPa?

How many electrons can a 5d sublevel hold

What are the hypotheses on which Dalton's atomic theory is based?

Which of the following objects require the use of a small - scale model

What happens when KCl is dissolved in water

How can a scientist ensure that his or her data are reliable? by making a single observation by repeating trials during an experiment by recording values without units by keeping the results private

Change of state may occur when?

During the combustion of 2.00 g of coal, the temperature of 500 g of water inside the calorimeter increased from 25.0°c to 43.7°c. the specific heat of water is 4.18 j/g·°c. how much heat did the reaction generate?

Catalysts are substances that increase the rate of reaction but can be recovered unchanged at the end of the reaction. Catalysts can be classified as either homogeneous (same state as reactants) or heterogeneous (different state than reactants).

How many molecules are there in 79g of Fe2O3?

Which of the following elements is an alkall metal?