potassium nitrate dissolving in water is an endothermic reaction. Explain would you feel it if you held this beaker in your hand

What might you find in the exosphere?

Container A (with volume 1.23 L) contains a gas under 3.24 atm of pressure. Container B (with volume 0.93 L) contains a gas under 2.82 atm of pressure. ContainerC (with volume 1.42 L) contains a gas under 1.21. atm of pressure.

How much of a sample remains after three half-lives have occurred? 1/16 of the original sample 1/9 of the original sample 1/8 of the original sample 1/3 of the original sample

What is the concentration (m) of ch3oh in a solution prepared by dissolving 16.8 g of ch3oh in sufficient water to give exactly 230 ml of solution?

A balloon contains 5.5 L of air at 303 K and 101.3 kPa. After an hour, the air inside the balloon cools to 297 K. What is the final volume of the air in the balloon, assuming that it is an ideal gas and that the pressure does not change?

35.5 moles of lithium fluoride is dissolved in 65 L of solution

Why can some electric appliances be immersed in water without damage

Which compound has the smallest percent composition by mass of chlorine? (1) HCl (3) LiCl (2) KCl (4) NaCl

Use the E0 values of the following elements: Zn, Cu, Pb, and Al. Which element is the most active reducing agent?

Calcium Chloride can be represented by the chemical formula