Chemistry, 24.11.2020 23:00 JamierW2005
GIVING BRAINLIEST FOR RIGHT ANSWERS PLS HELP
A fuel scientist burnt a piece of coal and a piece of wood to compare the amount of heat given off by each. Which is the correct match of the type of change happening and the property being tested during the process?
answer choices
1.Physical change; Chemical property flammability
2.Physical change; Physical property of flammability
3.Chemical change; Physical property of heat of combustion
4.Chemical change; Chemical property of heat of combustion
Answers: 2
Chemistry, 22.06.2019 03:50, sgslayerkingminecraf
Which of the following statements about acidic water is true? a. acid has no effect on the h, o molecules. b. the solution contains a larger number of oh ions than h, o ions. c. the solution contains a larger number of h, o ions than qh ions. d. the solution contains an equal number of h, o ions and oh ions. none of the above e.
Answers: 1
Chemistry, 22.06.2019 14:30, malenacastillo4887
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 16:00, corcoranrobert1959
How do dying stars contribute to the formation of planets
Answers: 1
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