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Travka [436]
2 years ago
11

PH scale is a measure which helps us to compare the strength of various acids and alkalis.

Chemistry
1 answer:
nevsk [136]2 years ago
6 0

Solutions with pH less than 7 are acidic in nature.

Therefore, a substance of pH 6 will be a weak acid.

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3. 25. The temperatures favorable for the growth of most bacteria are
kvasek [131]

B.

about the same as for humans

Explanation:

This is why most bacteria, during research in labs, are incubated at 37 degrees centigrade, about the same as human body temperature. In addition, harmful and beneficial bacteria thrive in the human body due to the favorable temperatures for growth and reproduction. To try and fight an infection, the body also tries to raise the body temperatures above the optimal for the bacteria  growth (the reason one has a fever in case of infection).

6 0
3 years ago
What is the conversion for 5 g + 3.3 mL =
Dominik [7]

Answer:

9 g/ml

Explanation:

5 + 3.3 = 8.5

But you should use sig figs.

5 has no tenths, hundredths, and etc.

Therefore the 8.5 rounds up to 9

So the answer is 9.

3 0
3 years ago
Which would have more mass: a mole of sodium or a mole of copper? How do you know?
bearhunter [10]

Answer:

copper

Explanation:

so for this you can work out the mass for both and compare

so mass = moles × mr

so mass of sodium = 1 × 23= 23 g

and mass of copper = 1 × 63.5= 63.5 g

so copper have more mass :)

5 0
3 years ago
Which of the following factors does NOT affect surface currents?
lubasha [3.4K]
Answer: B

Explaining: surface currents are caused by wind density affects deep ocean currents
4 0
3 years ago
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Which describes a possible path a carbon atom could take through the carbon cycle?
Elodia [21]

Answer:

I know for a fact the correct answer is B

8 0
3 years ago
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