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morpeh [17]
3 years ago
6

Hat is the definition for a scientific theory? A. an informed explanation that can be tested but is not widely accepted B. an ex

planation for something that is frequently adjusted as evidence is collected C. a widely accepted scientific explanation that may still be adjusted as new evidence is found D. a scientific explanation that is agreed on by all scientists and is no longer adjusted as new evidence is found
Chemistry
2 answers:
gayaneshka [121]3 years ago
5 0

Answer:

"B"an explanation for something that is frequently adjusted as evidence is collected

frosja888 [35]3 years ago
3 0

Answer:

D. a scientific explanation that is agreed on by all scientists and is no longer adjusted as new evidence is found

Explanation:

Scientific theory is an explanation that has been repeatedly tested and verified in accordance with the scientific method, using accepted protocols of observation, measurement, and evaluation of results

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Explain why copper is used for the<br> roofs of some buildings and magnesium is not.
Scrat [10]

Answer:

Because of the less reactivity of copper.

Explanation:

As well as being resistant to the elements and thereby less likely to be affected by rainfall, hail, and mildew than other types of roofing, copper is also one of the most fireproof materials available. Copper is also highly resistant to thermal changes and thereby doesn't deteriorate quickly.

Magnesium would also corrode PDQ. Magnesium sheeting would also pose an unacceptably high fire hazard.

3 0
2 years ago
What is the molar mass of a gas if 0.102 g of the gas occupies 0.070 L at STP? a. 32.6g / mol b. 28.2 g/mol c. 40.0g / mol d. 47
alexgriva [62]

Answer:

A. 32.6 g/mol

Explanation:

First convert the volume of gas to moles using the ratio 1 mol / 22.4 L at STP.

0.070 L • (1 mol / 22.4 L) = 0.00313 mol

Now divide the grams of gas by the moles of gas:

0.102 g / 0.00313 mol = 32.6 g/mol

8 0
3 years ago
Why is earth likely unique in it volume of liquide water
Karolina [17]
It is unique because we can drink from it .
4 0
3 years ago
How many electrons does each gold atom gain? How many electrons does each iodine atom lose? What is the total number of electron
forsale [732]

Answer:

Explanation:

Half equation:

I. Au3+ + 3e- --> Au

II. 2I- --> I2 + 2e-

Au3+ + 3e- --> Au. ×2

2I- --> I2 + 2e- ×3

2Au3+ + 6e- --> 2Au

6I- --> 3I2 + 6e-

Overall equation

AuI3 --> 2Au + 3I2

A.

3 electrons

B.

2 electrons

C.

6 electrons

6 0
3 years ago
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Which of the following is NOT an advantage of the metric system?
notsponge [240]

Answer: The answer is A

Explanation:

7 0
3 years ago
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