Name three changes of state that can take place when energy is removed from a substance

A chemical reaction produces 5.6 L of ozone gas (O3) at STP. What is the mass of the gas produced? 48 g 64 g 12 g 24 g

What is two methods scientists use to obtain Advanced evidence

In Hooke's law, what does k represent? A. the distance the spring stretches B. the elastic constant, a number that tells the relative strength of the spring C. the constant of gravity D. the amount of force acting on the spring

A 0.100 M solution of chloroacetic acid 1ClCH2COOH2 is 11.0% ionized. Using this information, calculate 3ClCH2COO-4, 3H 4, 3ClCH2COOH4, and Ka for chloroacetic acid.

Which factor determines an organism's inherited traits?

total mass of the Syringe. Record it in the correct row of the data table. how many kilograms would it be?

Testing a hypothesis is called a

When molten rock undergoes crystallization above ground, what type of rock results? a. intrusive igneous rock b. extrusive igneous rock c. metamorphic rock d. sedimentary rock

A 150ml sample of hydrochloric acid completely reacted with 60.0mL of a 0.100 M NaOH solution. What was the original concentration of the HCl solution

Rearrange in to a quadratic 5.333 = (0.6 + 2p) ² / (0.135 - p)