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ELEN [110]
2 years ago
8

Use your data to form hypothesis relating the amount of light to the rate of photosynthesis.

Chemistry
2 answers:
VladimirAG [237]2 years ago
6 0
B is the answer I think so
natka813 [3]2 years ago
3 0

Answer:

its b i just dod it hop it helps

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A student noticed that the size of the hot pack becomes bigger when magnesium sulfate reacts with water. She thinks that more at
cestrela7 [59]

Answer:

Disagree with the suggestion based on the hygroscopic nature of anhydrous magnesium sulfate

Explanation:

Magnesium sulfate in the anhydrous form is a drying agent. A drying agent salts of inorganic compounds that has the capability of absorbing water to become hydrated, when placed in the presence of a wet surface or moist air

Anhydrous magnesium sulfate is therefore hygroscopic such that it absorbs water from the atmosphere and becomes hydrated and increases in size as its volume is increased according to the following chemical equation

MgSO₄(s) + 7H₂O(l) → MgSO₄·7H₂O(s)

The molar mass of anhydrous magnesium sulfate = 120.366 g/mol

The molar mass of the heptahydrate = 246.47 g/mol

Therefore, the mass of the magnesium sulfate doubles when it forms the heptahydrate, and the magnesium sulfate grows bigger.

4 0
2 years ago
The firm outer covering of a plant cell is a
Verizon [17]

Answer:

it is the cell wall :)

Explanation:

5 0
3 years ago
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Calculate the mass of a 0.297-mL sample of a liquid with a density of 0.930 g/mL.
tekilochka [14]

Answer: 0.27621 g

Explanation:

0.297 ml *0.930 g/ml=0.27621 g

8 0
1 year ago
How are stars and comets different?(2 points)
evablogger [386]

Answer:

A star is made up of burning gases, while a comet is made up of ice, gases, rocks, and dust.

Explanation:

3 0
2 years ago
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I NEED ANSWER PLEEEAASSEE!!!
emmasim [6.3K]
The answer is B. This is because Sodium has 1 valence electron and Fluorine has 7 valence electrons. All elements want 8 valence electrons so they may be stale, like the noble gases are. Hope this helps.
3 0
3 years ago
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