Which of the following dissociates 90% into metal ions and hydroxide ions in solution? Question 1 options:

a)

strong acid

b)

weak base

c)

strong base

d)

weak acid

Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?