Methanol and methylamine are both combustible fuels. How many grams of methylamine must be combusted to raise the temperature of 397 g of water from 20.0°C to 43.0°C? Assume that the transfer of heat from the flame to the water is 100% efficient. g

0.66y = 0.9x + 0.48 if y has a value of 108.45 what is the value of x?

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.