Chemistry, 19.01.2021 19:40, dedgefield
An oxygen atom has a mass of 2.66 x 10 g and a glass of water has a mass of 0.050 kg. Use this information to answer the questions below. Be sure your answers have the correct number of significant digits. What is the mass of 1 mole of oxygen atoms? 0x10 Х 5 ? How many moles of oxygen atoms have a mass equal to the mass of a glass of water?
Answers: 1
Chemistry, 22.06.2019 09:00, heids17043
Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?
Answers: 3
Chemistry, 23.06.2019 06:20, Lindsay882
Type the correct answer in each box. balance the chemical equation.__ n203 ➡️ __ n2 +__ o2
Answers: 1
Chemistry, 23.06.2019 09:30, MendesArmy333
Northern was a learned a fairly cold climate caused by see one from the atlantic ocean, but se was real and tends to be much warmer, sonia look good causes difference. a. cool wins cannot blow across a leg into the south mountains, b. prevent cold air from blowing over into south sea, c.the south is at much higher elevation, so it is closer to the sun, d. suppose early and has a sperience a drastic climate change in the past few years.
Answers: 1
Chemistry, 23.06.2019 13:00, madelyngv97
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
An oxygen atom has a mass of 2.66 x 10 g and a glass of water has a mass of 0.050 kg. Use this infor...
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