Chemistry, 23.07.2019 07:00 aredding7016
3fe + 4h2o < => fe3o4 + 4h21) how many molecules of h2 are produced? 2) how many oxygen atoms are found in the products? 3) how many moles of fe3o4 are formed? 4) what is the ratio of the number of moles of fe atoms to the moles of h2o molecules? 5) how many hydrogen atoms are found in the reactants? choices for 1, 2, 3, and 5: 0, 1, 2, 3, 4choices for 4: 1/4, 3/4, 4/4
Answers: 1
Chemistry, 22.06.2019 01:30
Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j
Answers: 2
Chemistry, 22.06.2019 03:40
Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)
Answers: 3
Chemistry, 22.06.2019 04:30
Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water
Answers: 2
3fe + 4h2o < => fe3o4 + 4h21) how many molecules of h2 are produced? 2) how many oxygen atoms...
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