Ethanol, an organic compound, has the following structural formula.
H
H
H-C-0-0-H
Η Η
What is the chemical formula for ethanol?
CHO
O C₂ H₂O
O C₂H₂O2
C₂H₂O
why is cellular respiration important for homeostasis?
it changes food into energy that the organism can use.
which of the following is most likely to happen if a cell is not able to divide?
the cell will not be replaced when it is damaged.
explanation:
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C: plants and animals
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Perimeter? wheres the answers
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Hbr dissociates to form h+ and br-ca(oh)2 dissociates to form ca2+ and 2oh-the h+ and oh- react to form waterassuming the reactants are dissolved in water, the net reaction is h+ + oh- —> h2oif you’re asked to show all components of the reaction, the complete reaction is 2hbr + ca(oh)2 —> cabr2 + 2h2o
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Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine
3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?