Chemistry, 08.06.2021 22:20 bbyitskeke1242
In each of the following reactions, determine what elements were oxidized and which were
reduced:
36)
Ca + H2O > CaO + H2
Element oxidized:
Element reduced:
37)
2 H2 + O2 → 2 H2O
Element oxidized:
Element reduced:
38)
2 Na + FeCl2 → 2 NaCl + Fe
Element oxidized:
Element reduced:
Answers: 1
Chemistry, 22.06.2019 07:40
21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8
Answers: 2
Chemistry, 22.06.2019 22:30
Gusing the milligrams of ascorbic acid you entered above, the ratio of total sample volume to aliquot volume, and the total milligrams of the vitamin c tablet that you dissolved, calculate the mass of ascorbic acid in the vitamin c tablet for each trial. do this by scaling up to find the amount (mg) of ascorbic acid in your 250 ml flask. enter your calculated mass of ascorbic acid in the vitamin c tablet, for each trial. be sure to enter your calculated mass in the corresponding order that you entered your milligrams of ascorbic acid. the milligrams of ascorbic acid you entered for entry #1 previously should correspond to the mass of ascorbic acid that you enter for entry #1 here.
Answers: 1
Chemistry, 23.06.2019 04:40
Equal numbers of moles of he(g), ar(g), and ne(g) are placed in a glass vessel at room temperature. if the vessel has a pinhole-sized leak, which of the following will be true regarding the relative values of the partial pressures of the gases remaining in the vessel after some of the gas mixture has effused?
Answers: 1
Chemistry, 23.06.2019 13:30
Use the periodic table to classify each of the elements below. cadmium (cd): vanadium (v): xenon (xe): iodine (i): potassium (k): strontium (sr):
Answers: 3
In each of the following reactions, determine what elements were oxidized and which were
reduced:
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