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5.95g of potassium bromide was dissolved in 400cm3 of water. 1) calculate its molarity, 2)its concentration in g/dm3.

  1. 0.125 M 2) 14.875 g/dm3
NF
Answered by Natalie F. Chemistry tutor
5850 Views

Upon perfroming vigorous excercise, an athlete's blood glucose begins to decrease. Describe how the body responds when blood glucose concentration begins to decrease.

pancreas detects low blood glucose, so produces glucagon. glycogen is converted to glucose

HV
Answered by Holly V. Biology tutor
2794 Views

Amber earns £7 for each hour she works from Monday to Friday. She earns £10 for each hour she works on Saturday. One week Amber worked for 4 hours on Saturday. That week she earned a total of £180 (a) How many hours did Amber work that week?

We know Amber worked 4 hours on a Saturday, so she earned 4*£10= £40 that day. The rest of the money, which is £180-£40=£140, she must have earned it during the week. Knowing she earns £7 per hour, this w...

CG
Answered by Calin G. Maths tutor
3014 Views

Solve 5x-2>3x+11

5x-3x>11+2 2x>13 x>13/2 or x>6.5

HH
Answered by Hamza H. Maths tutor
5236 Views

There is a bag of blue, red, and white counters. 1/6 of the bag is blue counters. 1/4 of the bag is red counters. What is the smallest number of white counters that could possibly be in the bag.

6 and 4 are common factors of 24.

1/6 = 4/24, and 1/4=6/24.

4/24+6/24 =10/24 of the bag is blue and red counters. Therefore, 24/24-10/24=14/24 of the bag is white counters.

14/24 can ...

AC
Answered by Alex C. Maths tutor
6206 Views

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