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zvonat [6]
3 years ago
13

What is the average time it took for the tablet to dissolve in cold water?

Chemistry
1 answer:
Anon25 [30]3 years ago
7 0

Answer:

It might take 20-30 seconds to dissolve in water

Explanation:

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6. What volume would be occupied by 7.75 g of this same substance?
Kaylis [27]
D = m/V 
<span>V = m/d
V= 7.75 g / 1.71 g/cm^3
V= 4.53 c</span>m^3
7 0
4 years ago
The absolute temperature of a gas is increased four times while maintaining a constant volume. What happens to the pressure of
lianna [129]

Answer:

DECREASE BY A FACTOR OF FOUR

Explanation:

Using pressure equation:

P 1 / T1 = P2 /T2     (at constant volume)

P1 = P

T1 =T

P2 = ?

T2 = 4 T

So therefore;

P2 = P1T1/ T2

P2 = P T/ 4 T

P2 = 1/4 P

The pressure is decreased by a factor of four, the new pressure is a quarter of the formal pressure of the gas.

8 0
4 years ago
A compound differs from an element in that a compound (1) is homogeneous, (2) has a definite composition, (3) has a definite mel
Brums [2.3K]

A compound differs from an element in that it can be decomposed by a chemical reaction.

A compound, by definition, is made up of two or more elements that have been combined together through a chemical bond.

Thus, the chemical bond or bonds in a compound can be decomposed by a chemical reaction giving rise to the individual elements that make up the compound.

This is unlike an element that can not be decomposed by any chemical reaction.

More on elements and compounds can be found here: brainly.com/question/5997683

7 0
2 years ago
A home is heated by a system that uses sunlight to warm water in pipes. Which statement best describes this system?
juin [17]

Answer:

In which part of a nuclear power plant does fission take place? A home is heated by a system that uses sunlight to warm water in pipes. Which statement best describes this system? An active solar system because sunlight shines on the pipes naturally.

Explanation:

Hope it helps

FOLLOW MY ACCOUNT PLS PLS

5 0
4 years ago
Read 2 more answers
Which of the following best represents potential energy being converted to kinetic energy? HELP
TiliK225 [7]

Answer:

B) A drawn bow is released, causing an arrow to fly across the field

Explanation:

Potential energy can be thought of as "potential" to do something. For eg, putting a ball on top of hill causes the ball to have the potential to roll down the hill if released. Here the ball converts the potential energy into kinetic energy (energy of motion) to roll down.

Similarly, the bow has been stretched (potential to fly if released), and when its released, it converts the potential energy into kinetic energy.

7 0
2 years ago
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