Chemistry, 09.12.2020 09:50 davienwatson8
A biology student wanted to determine if there is a relationship between resting heart rate and time spent
exercising per week. He gathered information from 12 classmates and constructed the graph below.
80
75
Heart rate
(beats per minute)
70
65
60
4
1 2 3 5
Exercise per week
(hours)
What is likely to be a resting heart rate for a student who exercises about 3 hours a week?
Choose 1
A 75
what is likely to be resting heart rate for a student who is exercises about 3 hours a Week
Answers: 1
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How do scientists think that gravity affected the formation of our solar system?
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If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml
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Chemistry, 22.06.2019 20:10, jakhunter354
The lattice enthalpy (formation of ionic solid from ions in the gas phase) for agcl(s) is -916 kj/mol and the hydration enthalpy (dissolution of gaseous ions into water) is -850 kj/mol. how much heat (in joules) is involved in forming 1l of saturated agcl solution (1.8 × 10-4 g / 100 ml water) by dissolving agcl(s)? assume solution volume does not change much upon dissolution. the equations are given below. ag+(g) + cl−(g) æ agcl(s)
Answers: 3
A biology student wanted to determine if there is a relationship between resting heart rate and time...
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