Chemistry, 09.04.2021 07:20 janayflowers042
Q5 C]
INLET FOR
HARD WATER
HARD WATER
PERMUTIT
-GLASS WOOL
OUTLET FOR
SOFT WATER
i. For what purpose, the above process is used?
ii. What is the general formula used for the substance?
iii. What is the role of zeolite?
iv. What is used to regenerate the permutit, when it is no longer active?
v. Mention any two advantages of hard water.
Answers: 1
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Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.
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Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j
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Q5 C]
INLET FOR
HARD WATER
HARD WATER
PERMUTIT
-GLASS WOOL
OUTLET FOR...
HARD WATER
HARD WATER
PERMUTIT
-GLASS WOOL
OUTLET FOR...
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