Physics, 01.09.2019 18:30, dianereyes7475
Which one is a true statement about exothermic reactions? a. energy from an outside source is continuously being added. b. the reaction container always feels cold. c. the reactants have more heat energy than the products. d. more heat is given off than is put into the reaction
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Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?
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The dominant wavelength of energy emitted by the sun is
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The device shows the relative humidity at 22°c. what’s the water vapor density if the maximum water vapor in air at this temperature is 20 grams/cubic meter? a device showing that at 22 degrees celsius the relative humidity is 58%. a. 11.6% b. 11.6 g/m3 c. 12.76% d. 12.76 g/m3 reset next
Answers: 2
Which one is a true statement about exothermic reactions? a. energy from an outside source is conti...
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