In the early days of automobiles, illumination at night was provided by burning acetylene, c2h2. Though no longer used as auto headlamps, acetylene is still used as a source of light by some cave explorers. The acetylene is (was) prepared in the lamp by the reaction of water with calcium carbide, cac2: cac2(s) + 2h2o(l) ⟶ ca(oh)2(s) + c2h2(g) calculate the standard enthalpy of the reaction. (the δhf° of cac2 is −15. 14 kcal/mol. ).
Answers: 2
SAT, 24.06.2019 07:10, hollie52
Vera is on her school's track and field team. in a practice long-jump competition against her teammates, she gets 5 points for landing over the farther line. she gets a total of 7 jumps and lands x times over the farther line and the rest of the times over the closer line. which of the following functions represents vera's total score? a. f(x)=10x b. f(x)=5x+35 c. f(x)=10x+5 d. f(x)=70-5x
Answers: 1
SAT, 24.06.2019 15:10, gracieorman4
It's 90 °f in the shop with high humidity. what pressure will be shown on the high-side pressure gauge (ac system on)? a. 10 to 50 psi b. 40 to 140 psi c. 210 to 290 psi d. at least 350 psi
Answers: 2
SAT, 27.06.2019 20:00, coolkid20034
What term refers to the initial training given to all new employees?
Answers: 1
SAT, 29.06.2019 08:00, irishvball7
Which statements are true regarding an individual retirement account? check all that apply.
Answers: 1
In the early days of automobiles, illumination at night was provided by burning acetylene, c2h2. Tho...
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