Chemistry, 18.10.2020 06:01, Rboltonbcs
Which 2 statements describe what happens to energy during cellular respiration?
A. some chemical energy is transformed into themal energy
B. chemical energy is transferred to molecules of ATP and used to carry out life processes
C. Some thermal energy is transferred into chemical energy
D. Light energy is transferred to molecules of ATP and used to carry out life processes
Answers: 3
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Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star
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Chemistry, 22.06.2019 06:00, nikejose11
An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g
Answers: 3
Chemistry, 22.06.2019 08:00, wizz4865
Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next
Answers: 2
Which 2 statements describe what happens to energy during cellular respiration?
A. some chemical en...
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