Chemistry, 27.08.2019 01:20, taniaorozco
The mass of a glass beaker is known to be 24.8 g. approximately 5 ml of water are added, and the mass of the beaker and water is measured on an analytical balance to
be 30.625 g how many significant figures are there in the mass of the water?
Answers: 2
Chemistry, 22.06.2019 03:30, ruleolivas
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 11:00, snowprincess99447
Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.
Answers: 1
Chemistry, 23.06.2019 01:00, kwarwick0915
If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?
Answers: 1
The mass of a glass beaker is known to be 24.8 g. approximately 5 ml of water are added, and the mas...
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