Chemistry, 02.10.2020 23:01 zacheryjohnson
Why does energy need to be inputted for an endothermic reaction?
A)Energy is needed to form bonds
B)Energy is not needed to form or break bonds
C)Energy has nothing to do with making or breaking bonds
D)Energy needs to be inputted to break bonds
Answers: 3
Another question on Chemistry
Chemistry, 22.06.2019 03:30
Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.
Answers: 3
Chemistry, 22.06.2019 08:30
Which change in temperature is the smallest? a change of 1 thomson degree a change of 1 kelvin degree a change of 1 fahrenheit degree a change of 1 celsius degree
Answers: 1
Chemistry, 22.06.2019 11:00
An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it
Answers: 1
Chemistry, 22.06.2019 12:00
Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
Answers: 1
You know the right answer?
Why does energy need to be inputted for an endothermic reaction?
A)Energy is needed to form bonds <...
Questions
History, 13.12.2019 01:31
Mathematics, 13.12.2019 01:31
Business, 13.12.2019 01:31
