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Hoochie [10]
3 years ago
5

What happens to your pupil size when you increase the light intensity? biol 119?

Biology
1 answer:
Verizon [17]3 years ago
7 0
Your pupil size can either get really small or really big depends on the intensity of the light.

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A student is collecting the gas produced
marissa [1.9K]

Answer:

0.062 moles of hydrogen gas

Explanation:

We must first out down the reaction equation before we can attempt to solve the problem.

Mg(s) + 2HCl(aq) ----> MgCl2(aq) + H2(g)

Next we obtain the number of moles in 1.5 g of magnesium metal from;

Molar mass of magnesium = 24.3 gmol-1

Number of moles of magnesium= mass/molar mass = 1.5g/24.3gmol-1 = 0.062 moles

From the reaction equation;

1 mole of magnesium metal yields 1 mole of hydrogen gas

0.062 moles of magnesium metal will yield 0.062 moles of hydrogen gas

Therefore, reaction of 1.5g of magnesium metal with excess hydrochloric acid will yield 0.062 moles of hydrogen gas.

7 0
3 years ago
How does the plant cell get there color
never [62]

Chlorophyll the pigment gives the plant their green color and let's them absorb sunlight more of Chloroplast a part that is cell found in plants that coverts light energy into energy plants which use "Sugar".

If this is wrong let me know and I'll help you the best I can enjoy and have a nice day!

8 0
3 years ago
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Which planet is known for its big red spot?​
Goryan [66]

Answer:

Jupiter is known for having a big red spot.

3 0
2 years ago
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What is the benefit of an uneven production of gametes in oogensis?
Bas_tet [7]
It is process of producing female gametes and called creation of ovum
<span> benefit of an uneven production of gametes in oogensis is
</span><span>One haploid cell receives the majority of the nutrients from the cytoplasm
</span>so i conclude option A is correct
hope it helps
5 0
3 years ago
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Biochemical engineers have designed a lamp that uses algae to create light. these algae are able to glow in the dark. how could
Tomtit [17]
I'm not sure I would say B

3 0
3 years ago
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