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algol13
2 years ago
9

Round the mmHg readings to the nearest whole number. Round the kPa readings to the nearest tenth. Round the atm readings to the

nearest hundredth. Convert a pressure of 1.76 atm to _____ torr.
Chemistry
1 answer:
Eva8 [605]2 years ago
6 0

i love jesus and i love my mommy

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Answer:

c- dry cells can not be recharged

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2 years ago
Keiko needs 100mL of a 5% acid solution for a science experiment. She has available a 1% solution and a 6% solution. How many mi
4vir4ik [10]

Answer:

Keiko should mix 20 mL 1% solution and 80 mL 6% solution for to make 100 mL 5% solution

Explanation:

There are 2 unknown values X= mL 6% solution and Y=1% solution. So, we need 2 equations:

1. Equation acid concentration. X mL 6% + Y mL 1% = 100 mL 5%

2. Equation solvent concentration X mL 94% + Y mL 99% = 100 mL 95%

When clearing X and Y :

(X mL 6%    +   Y mL 1%      =    100 mL 5%) (-15,7)

X mL 94%  +   Y mL 99%   =   100 mL 95%

_______________________________

 -                      Y  0.83       =   16.5

                        Y                =   19.9 mL 1% solution

Replace Y in anyone equation and X = 80 mL 6% solution

I hope to see been helpful

7 0
3 years ago
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An ethylene glycol solution contains 16.2 g of ethylene glycol (c2h6o2) in 85.4 ml of water. calculate the boiling point of the
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What name should be used for the ionic compound Cu(NO3)2
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<span>Copper(II) nitrate. Hope i cleared your doubt</span>
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2 years ago
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I'm having trouble balancing these. Can you help me​
AlekseyPX

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Oh Okay

I hope u have a better rest of ur day

4 0
2 years ago
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