Answer this. (a) which two conditions must be fulfilled by balanced ionic equations? select all that apply
number of atoms of each kind must be the same on both sides of the arrow.
electrical charge must be balanced.
the number of reactants must equal the number of products.
the sum of coefficients for reactants and products must be equal
Answers: 1
Chemistry, 21.06.2019 22:30
Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.
Answers: 2
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, 23.06.2019 01:00
Which of the following is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6
Answers: 1
Chemistry, 23.06.2019 12:30
15) a substance used in manufacturing gasoline consists of finely divided platinum supported on an inert solid. suppose that the platinum is formed by the high temperature reaction between platinum (iv) oxide and hydrogen gas. the other product is water. a) write and balance the equation b) how many grams of hydrogen are needed to produce 1.0 g of platinum metal? c) how many moles of water are produced at the same time? how many grams? ( show work, .)
Answers: 1
Answer this. (a) which two conditions must be fulfilled by balanced ionic equations? select all tha...
Mathematics, 16.02.2021 03:50
Health, 16.02.2021 03:50
Mathematics, 16.02.2021 03:50
Spanish, 16.02.2021 03:50
Mathematics, 16.02.2021 03:50
Mathematics, 16.02.2021 03:50
Biology, 16.02.2021 03:50
Mathematics, 16.02.2021 03:50
Social Studies, 16.02.2021 04:00
Mathematics, 16.02.2021 04:00
Mathematics, 16.02.2021 04:00
Mathematics, 16.02.2021 04:00