Chemistry, 15.10.2019 01:00 erinleyanne
Baking soda is sodium bicarbonate (nahco3). when you heat baking soda, it breaks down into sodium carbonate powder (na2co3), water vapor, and carbon dioxide. the enthalpy of this reaction is 129 kj. write a correct thermochemical equation for this reaction, explain how you came up with this equation, and explain what it tells you about the reaction.
Answers: 1
Chemistry, 21.06.2019 22:00
Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.
Answers: 1
Chemistry, 22.06.2019 14:30
For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2
Answers: 3
Chemistry, 22.06.2019 21:30
Plzz a sample of table sugar (sucrose, c12h22o11) has a mass of 7.801 g. ● a) calculate the number of moles of c12h22o11 in the sample b) calculate the number of moles of each element in c12h22o11 (number of moles of c, number of moles of h & number of moles of o) in the sample. (use your answer from part a as your starting point.) show your work and highlight your final answer. calculate the number of atoms of each element in c12h22o11 (number of atoms of c, number of atoms of h & number of atoms of o) in the sample. (use your answers from part b as your starting for each element.) show your work and highlight your final answer.
Answers: 1
Chemistry, 23.06.2019 01:00
Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)
Answers: 3
Baking soda is sodium bicarbonate (nahco3). when you heat baking soda, it breaks down into sodium ca...
Mathematics, 06.03.2020 23:03
Mathematics, 06.03.2020 23:03
Mathematics, 06.03.2020 23:03
Mathematics, 06.03.2020 23:03
Mathematics, 06.03.2020 23:03
Mathematics, 06.03.2020 23:03
Mathematics, 06.03.2020 23:03
Mathematics, 06.03.2020 23:03
Biology, 06.03.2020 23:03
History, 06.03.2020 23:03
Spanish, 06.03.2020 23:03
Physics, 06.03.2020 23:03