Chemistry, 29.01.2021 20:40 bricquan10
Fast-Brainiest-45 PTS- multiple choice
A scientist dissolves 6 tablespoons of salt into 9 ounces of water and colors the water green. She then dissolves 2 tablespoons of salt into 9 ounces of water and colors the water yellow. Which is more dense? The yellow or blue water?
A. green
B. yellow
C. they have the same density because the salt dissolves
D. hard to tell because green and yellow make blue
Answers: 1
Chemistry, 22.06.2019 10:00
The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) β co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) β co2(g) k=1.363Γ10^69 b. 2 h2(g) + o2(g) β 2 h2o(g) k=1.389Γ10^80 c. 2co(g) + o2 (g) β 2 co2(g) k=1.477Γ10^90
Answers: 1
Chemistry, 22.06.2019 10:00
Nonpoint source pollution is difficult to control because it
Answers: 2
Chemistry, 22.06.2019 10:30
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
Answers: 1
Chemistry, 22.06.2019 11:20
Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (Ξ±1β4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.
Answers: 2
Fast-Brainiest-45 PTS- multiple choice
A scientist dissolves 6 tablespoons of salt into 9 ounces of...
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