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vodomira [7]
3 years ago
14

Which of the following best describes an electron?

Chemistry
1 answer:
gregori [183]3 years ago
4 0

Answer:

it would be number 4

Explanation:

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Courtney Drive for 30 minutes at 50 mph and for one hour at 40 mph how far has he traveled all together
den301095 [7]

Answer:

Explanation:40 mph = 64.3738 kph

kph/3.6 = m/s

64.3738/3.6 = 17.8816 m/s

30 mins in seconds = 30 x 60 = 1800 s

1800 s x 17.8816 m/s = 32186.88 m or 32.18688 km or 20 miles

8 0
3 years ago
Which of the following is a way to replace toxic cleaning products at home?
MrRissso [65]

Answer:

I think the answer to the question is number 2 "make your own non-toxic cleaning products using common kitchen ingredients"

4 0
2 years ago
Read 2 more answers
what is the concentration (in %v/v)) of the following solutions? a. 25 mL of ethanol is diluted to a volume of 150 mL with water
fenix001 [56]
The symbol %v/v means percent by volume. Assuming there is no volume effects when these substances are mixed, we calculate as follows:

% v/v = (25 mL ethanol / 25 mL + 150 mL ) x 100
%v/v = 14.29 mL ethanol / mL solution

Hope this answers the question.
8 0
3 years ago
If the weight of displaced liquid and the weight of an object are the same, the object will:
s344n2d4d5 [400]

Answer:

Float

Explanation:

If the weight of liquid displaced and the weight of an object are the same, the object will float in the liquid.

From Archimedes principle, when an object is immersed in fluid, a force called upthrust supports it and it equal to the weight of the liquid displaced.

When in a liquid, the weight of the liquid displaced is the same as that of the of the object, it will float and not sink.

7 0
3 years ago
C
PolarNik [594]

Answer:

Gravity

because the earth which pulls any object towards it center and the velocity is achieved

5 0
2 years ago
Read 2 more answers
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