Chemistry, 16.12.2020 20:00 CarQuestionl506
8.
A student measured the mass of a rubber stopper to be 6.00 grams. When it was placed into a
graduated cylinder that initially had 2.0 mL of water, the water went up to the 5.0 mL of water. What is
the density of the rubber stopper?
a) 3.0 g/mL b) 1.2 g/mL
d) 0.60 g/mL
e) none of these
$) 2.0 g/mL
Answers: 2
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Select the correct answer. what is the nature of the se-cl bond in a molecule of selenium chloride (secl2) if the electronegativity value of selenium is 2.55 and that of chlorine is 3.16?
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Suppose you got a low yield of benzoin from your benzoin condensation reaction and thus only have 0.300 g of benzoin to use as the starting material for this reaction. how much concentrated nitric acid should you add? (concentrated nitric acid is 15.8 m). write your answer in the form x.xx ml
Answers: 1
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Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3
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Increasing the substrate concentration in an enzymatic reaction could overcome which of the following? a) the need for a coenzymeb) allosteric inhibitionc) competitive inhibitiond) insufficient cofactors
Answers: 1
8.
A student measured the mass of a rubber stopper to be 6.00 grams. When it was placed into a
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