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PtichkaEL [24]
2 years ago
6

What type of substance is gravel

Chemistry
1 answer:
allsm [11]2 years ago
3 0

Answer:

When substances do not mix thoroughly and evenly (like sand and gravel), the mixture is said to be heterogeneous. A heterogeneous mixture consists of visibly different substances. Another example of a mixture is salt dissolved in water.

Hope it helps!

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What is solubility?
erik [133]

2) Solubility is how much solvent will dissolve in solute.

4 0
2 years ago
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A crane lifts a 5,800-N block from the ground to 20 m above the ground in 80 seconds. How much Power
earnstyle [38]

Answer:

1450 W

Explanation:

<u>5800n x 20m</u>        =1450w

      80s

3 0
3 years ago
Where Did the Water
vekshin1

Answer:

Axel: Much of the water is in the air around us.

Explanation:

When a puddle of water forms on the ground, it indicates that much of the ground around it is saturated with water and as such, the water would not readily soak into the ground. Also, since the puddle was found in a park, it is not likely that the water has gone into a stream, river, pond, lake, or ocean.

Since, the day was a sunny, it means that the heat from the sun has caused the evaporation of the water molecules. However, the water vapor molecules do not just immediately rise up to the atmosphere to form clouds nor do they cease to exist, rather it is dispersed in the air around the surroundings and beyond. Formation of clouds by water vapor takes days to happen.

Also, the water has not changed to fog either as they form usually at cooler temperatures.

3 0
2 years ago
Mannoheptulose is a sugar found in avocados. If each C-C bond contains 76 kcal of energy and each C-H bond contains 91 kcal, how
nadya68 [22]

Answer:

Total Kcal energy produced in the catabolism of mannoheptulose = 1184 Kcal

Explanation:

The molecular formula of mannoheptulose is C₇H₁₄O₇.

The structure is as shown in the attachment below.

Number of C-C bonds present in mannoheptulose = 6

Number of C-H bonds present in mannoheptulose = 8

Since the each C-C bond contains 76 Kcal of energy,

Amount of energy present in six C-C bonds = 6 * 76 = 456 Kcal

Also, since each C-H bond contains 91 Kcal of energy;

amount of energy present in eight C-H bonds = 8 * 91 = 728 Kcal

Total Kcal energy produced in the catabolism of mannoheptulose = 456 + 728 = 1184 Kcal

6 0
2 years ago
The percent composition by mass of nitrogen in NH OH (gram-formula mass = 35 grams/mole) is equal to
Temka [501]

Answer:

the percentage composition of mass of nitrogen in NH OH is 42.86 %

7 0
3 years ago
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