Drain cleaner has a pH of about 14. How can it be classified, based on its pH?

Which condition is most responsible for causing wind? A. rotation of the earth B. polar cooling C. uneven heating of the earth by the sun D. Coriolis effect

Four students measure the length of a paper clip whose actual length is 3.2 cm. whose measurements are precise but not accurate? A. Samuel: 2.7 cm, 2.7 cm, 2.7 cm, 2.8 cm B. Jose: 2.2 cm, 2.6 cm, 3.0 cm, 3.3 cm C. Nikita: 3.1 cm, 3.1 cm, 3.2 cm, 3.

What is the mole fraction of acetic acid in a solution containing 2 moles of vinegar and 3 moles of water? A. 2 B. 3 C. 0.4 D. 0.5

Which part of the microscope should be used with the low-power objective, but not the high power objective? 1. Coarse adjustment 2. fine adjustment 3. diaphragm 4. mirror

The value of the equilibrium constant for the combination of nitrogen and oxygen to make NO is 2 x 10-9.

What can the particles of a liquid do that the particles of a solid can't do?

What is the molarity of a solution prepared by dissolving 10.0g of kno3 in 250 ml of solution

What do nucleus act as

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?