Chemistry, 27.07.2019 08:30 trinitychavira0727
Which of the following statements is true? a. x-rays have higher frequencies than microwaves. b. uv rays have higher frequencies than gamma rays. c. gamma rays have lower frequencies than microwaves d. infrared rays have lower frequencies than radio waves.
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Chemistry, 22.06.2019 05:50
Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
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Chemistry, 23.06.2019 00:00
#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.
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Chemistry, 23.06.2019 03:00
What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients
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Chemistry, 23.06.2019 05:40
Why is it incorrect to balance a chemical equation by changing the subscripts? explain.
Answers: 2
Which of the following statements is true? a. x-rays have higher frequencies than microwaves. b. uv...
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