Chemistry, 12.08.2019 23:30 sindy35111
The world's total petroleum reserve is estimated at 2.0 x 10^22 joules la joule (j) is the unit of energy where 1j =1kg m^2/s^2). at the present rate of consumption, 1.8 x 10^20 joules per year (j/yr), how long would it take to exhaust the supply?
Answers: 3
Chemistry, 21.06.2019 20:50
Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread
Answers: 2
Chemistry, 23.06.2019 00:30
What is the chemical formula of magnesium bromide? a. mgbr2 b. mgbr c. mg2br2 d. mg2br
Answers: 3
Chemistry, 23.06.2019 05:30
For the reaction i2(g)+br2(g)←−→2ibr(g), kc=280 at 150 ∘c. suppose that 0.450 mol ibr in a 2.00-l flask is allowed to reach equilibrium at 150 ∘c. what is the equilibrium concentration of 2ibr, i2, br2
Answers: 1
The world's total petroleum reserve is estimated at 2.0 x 10^22 joules la joule (j) is the unit of e...
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