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Chemistry, 10.06.2020 17:57 maibelgarza
ASAP plz I will give the brainliest
Which type of bond describes the coming
together and sharing of two unpaired outer
electrons, one from each atom?
a. Single covalent bond
b. Double covalent bond
С. Triple covalent bond
d. lonic bond
2nd question
What is the name of this molecule (CO2) that
forms by burning of fuels and is one of the
gases that contributes to global
warming/climate change?
A. Carbon oxygen
B. Carbon and two oxygen
C. Carbon dioxide
D. Carbon oxide
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A3.37-mg sample of protein was chemically digested to convert its nitrogen into ammonia and then diluted to 100.0 ml. then 10.0 ml of this solution was placed in a 50-ml volumetric flask and treated with 5 ml of phenol solution plus 2 ml of sodium hypochlorite solution. the sample was diluted to 50.0 ml, and the absorbance at 625 nm was measured in a 1.00-cm cuvette and found to be 0.486. for reference, a standard solution was prepared from 10.0 mg of nh4cl (molar mass = 53.49 grams/mole) dissolved in 1.00 l of water. then 10.0 ml of this standard was placed in a 50-ml volumetric flask, treated in the same manner as the unknown, and the absorbance found to be 0.323. finally, a reagent blank was prepared using distilled water in place of unknown, it was treated in the same manner as the unknown, and the absorbance found to be 0.076. calculate the weight percent of nitrogen in the protein.
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ASAP plz I will give the brainliest
Which type of bond describes the coming
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