Chemistry, 27.06.2019 15:20 halohero7

1. how many moles of sodium will react with water to produce 4.0 mol of hydrogen in the following reaction? 2na(s) + 2h2o(1) ► 2naoh(aq) + h2(g) ans: 8.0 mol na

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 16:00, 20heldmadison

Which statement describes the appearance of a temperature-vs.-time graph? a horizontal line shows that the temperature increases at a constant rate over time. a vertical line shows that the temperature decreases at a constant rate over time. horizontal lines where the temperature is constant during phase changes connect upward-sloping lines where the temperature increases. horizontal lines where the temperature increases are connected by upward-sloping lines where the temperature is constant for each phase.

Answers: 1

continue

Chemistry, 22.06.2019 10:30, ntrann22

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Answers: 2

continue

Chemistry, 22.06.2019 17:00, abbygailgo674

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process

Answers: 1

continue

Chemistry, 22.06.2019 21:40, k3rbycalilung

Tooth enamel consists mainly of the mineral calcium hydroxyapatite, ca_10(po_4)_6(oh)_2. trace elements in teeth of archaeological specimens provide anthropologist with clues about diet and diseases of ancient people. students at hamline university measured strontium in enamel from extracted wisdom teeth by atomic absorption spectroscopy. solutions with a constant total volume of 10.0 ml contained 0.726 mg of dissolved tooth enamel plus variable concentrations of added sr. added sr find the concentration of sr in the 10 ml sample solution in parts per billion = ng/ml. find the concentration of sr in tooth enamel in parts per million = mu g/g.

Answers: 2

continue

You know the right answer?

1. how many moles of sodium will react with water to produce 4.0 mol of hydrogen in the following re...