What is an example of internal stimulus to which plants can respond?

What is the molality of a solution that contains 63.0 g HNO3 in 0.500kg H2O?

Arrange the following compounds in the order of increasing reactivity toward nucleophilic acyl substitution, with least reactive at the top and most reactive at the bottom.

Each of the three known isotopes of hydrogen has blank protons in the nucleus

What are the most chemically active metals located on the periodic table

When the temperature of an object changes by 10 °C the same temperature change in Kelvins would be

What is the number of moles of 27.6g of lithium?

Air is transferred from a 75 L tank where the pressure is 125 psi and the temperture is 288 k to a tire with a volume of 6.1 L and a pressure of 25 psi. What is the new temperture.

Which of the following is a measure of randomness in a system? A) entropy. B) kinetic energy. C) potential energy. D) chemical energy.

What substance can be broken down by chemical means? A) ammonia B) aluminum C) antimony D) argon (Castle learning question)

How the law of conservation of mass could be useful for investigating chemical changes