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PSYCHO15rus [73]
3 years ago
15

Adding heat to a liquid which of the following. Physical changes

Chemistry
1 answer:
natali 33 [55]3 years ago
5 0
What? Is there choices?
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according to you what is a safe school environment ? Reflect on how your school can be made a safe and healthy place for learnin
svetoff [14.1K]

Answer:

No weapons or drugs. Having responsible teachers

6 0
3 years ago
When 28242 J are transferred to water sample, its temperature increases 18⁰C to 63⁰C. Determine the mass of the water sample.
ivanzaharov [21]

Answer:

149.79

Explanation:

Formula

Joules = m * c * delta (t)

Givens

J = 28242

m = ?

c = 4.19

Δt = 63 - 18 = 45

Solution

28242 = m * 4.19 * 45

28242 = m * 188.55

m = 28242 / 188.55

m = 149.79

8 0
3 years ago
What is the total mass of three gold bars that weigh 5543 mg, 23.45 mg, and 697.4 mg?
GrogVix [38]
The total mass is the sum of the masses.
It is
5543 + 23.45 + 697.4 mg =  6263.85 mg

Answer:  6263.85 mg
6 0
3 years ago
which of the following would increase the loudness of a sound? increase tension increase wavelength increase amplitude
andriy [413]

Answer : The correct option is, increase amplitude.

Explanation :

Amplitude : It is a measure of the size of sound waves.

The loudness of sound is depend on the amplitude of the sound wave. That means the more the amplitude, the louder will be the sound and the less the amplitude, the low will be the sound.

The loudness of sound does not depend on the tension and wavelength.

Therefore, the correct answer is, increase amplitude.


5 0
4 years ago
Read 2 more answers
A crystallographer measures the horizontal spacing between molecules in a crystal. The spacing is 15.22 nm . What is the total w
tankabanditka [31]
 the answer would be 1.155 millimeters. hope this helps!!
5 0
3 years ago
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