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mihalych1998 [28]
2 years ago
5

Which two statements are scientific claims?

Chemistry
1 answer:
Vilka [71]2 years ago
8 0

Answer:

D and C

Explanation:

The polar ice caps are made of ice.

Planets do not affect people, nor do star signs.

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Refer to attachment please this is one of my study questions and im stuck
Reil [10]
Percentage yield= actual yield/theoretical yield x100
So you would have to do-
15/22 x 100. Hope this helps!!
3 0
2 years ago
How did modern scientists experiment with Van Gogh's paints to determine their chemical reactions?
Andrei [34K]

Answer:

I think the answer is A - they used X-ray analysis.

Explanation:

5 0
3 years ago
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What is the molarity of a solution that contains 2 moles of solute in 4 liters of solution?
Nitella [24]
The simple formula is C = n/V
n = mols
C = Concentration or Molarity
V = Volume in Liters.

n = 2
V = 4
C = 2 / 4
C = 0.5 mol/Litre

8 0
3 years ago
Where are electrons received and donated at in a galvanic cell?
Vikki [24]

Explanation:

In a galvanic cell, the cathode is positively charged and the anode is negatively charged.

The cathode attracts electron while the anode donates or releases electrons.

Electrons received - Cathode

Electrons donated - Anode

3 0
3 years ago
Refusing to take part in sexual activity is called sexual abstinence? True or false.
Temka [501]

Answer:

true.

Explanation:

5 0
2 years ago
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