Chemistry, 21.11.2020 01:20 torichance6472
HELPPP
1. If 4,500 joules of heat are emitted when a sample of water freezes, what is the mass of the water? And is it endothermic or exothermic
2. Calculate the number of grams of ice, at 0.0 ºC, that could melt if 3.6 kJ of heat were added. And is it endothermic or exothermic
3. Find the number of grams of vapor that condense into 373 K when 17.2 kJ of heat is removed. And is it endothermic or exothermic
Answers: 2
Another question on Chemistry
Chemistry, 22.06.2019 12:20
Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l.s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?
Answers: 3
Chemistry, 22.06.2019 16:00
Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules
Answers: 1
Chemistry, 22.06.2019 17:10
In which block of the periodic table is uranium (u) found? s blockd blockp blockf block
Answers: 1
You know the right answer?
HELPPP
1. If 4,500 joules of heat are emitted when a sample of water freezes, what is the mass of t...
Questions
Physics, 15.11.2019 22:31
History, 15.11.2019 22:31
English, 15.11.2019 22:31
Chemistry, 15.11.2019 22:31
Mathematics, 15.11.2019 22:31
Biology, 15.11.2019 22:31
