Chemistry, 18.03.2021 01:30 conniehodson
Water that is used for irrigation does not need to be chemically treated In order to conserve water, a US city recently urged its
citizens to collect rainwater in rain barrels and use that water on their lawns and plants. As part of the program, the city
commissioned local artists to decorate rain barrels that would be put all over the city
Why was making rain barrels into works of art important for successfully conserving water with this program?
OA. It guaranteed that artists would all use the rain barrels
OB. It helped to make using rain barrels socially acceptable
OC It made the barrels more expensive, which helped fund the program
OD It kept people from adding chlorine to the water in them by mistake
Answers: 1
Chemistry, 21.06.2019 18:00
Construct the hypothetical phase diagram for metals a and b between room temperature (20c) and 700c, given the following information: * the melting temperature of metal a is 480c. • the maximum solubility of b in a is 4 wt% b, which occurs at 420c. • the solubility of b in a at room temperature is 0 wt% b. • one eutectic occurs at 420c and 18 wt% b–82 wt% a. • a second eutectic occurs at 475c and 42 wt% b–58 wt% a. • the intermetallic compound ab exists at a composition of 30 wt% b–70 wt% a, and melts congruently at 525c.• the melting temperature of metal b is 600c. • the maximum solubility of a in b is 13 wt% a, which occurs at 475c. • the solubility of a in b at room temperature is 3 wt% a.
Answers: 1
Chemistry, 22.06.2019 09:30
Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump
Answers: 2
Chemistry, 23.06.2019 00:00
Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?
Answers: 1
Water that is used for irrigation does not need to be chemically treated In order to conserve water,...
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