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katrin [286]
3 years ago
8

What kind of lens does a nearsighted person need

Chemistry
2 answers:
love history [14]3 years ago
5 0
Near/shortsighted people need concave lenses. I myself am nearsighted
Troyanec [42]3 years ago
5 0

I know I am 5 years late but the answer is concave lens

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If the initial volume is 55ml and the final volume after some rocks of sandstone are added is 65ml what is the volume of the chi
AfilCa [17]

Answer:

Volume = 10ml

Density = 1/5 g/ml or 0.20g/ml

Explanation:

The rocks are 10ml since the initial volume went up by 10.

Since density = mass/volume, you divide 2 by 10.

D = 2/10

D = 1/5 g/ml or 0.20g/ml

(Unit is g/ml aka grams/millileter)

7 0
2 years ago
A scientist discovered a microscopic unicellular organism with no nucleus which of the following correctly describes the organis
boyakko [2]
The correct option is this: THE ORGANISM IS A PROKARYOTES.
There are basically two types of cells, prokaryotic and eukaryotic cells. The prokaryotic cells are primitive cells which contain only a few materials which are not well organised. This type of cells is usually found in microscopic organisms. The cells lack organised nucleus and cell organelles which have membranes.<span />
7 0
3 years ago
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A reaction of 17.0 g of ammonia with 26.6 g of chlorine gas
Elena-2011 [213]

Answer: if doing it on ck-12 the answer is 40.1

Explanation:

4 0
2 years ago
Consider the following reaction.Cr2O3(s) + 3CCl4(l) 2CrCl3(s) + 3COCl2(g). When the green solid is mixed with the colorless liq
Elena L [17]

Answer:

The answer to your question is: letter B

Explanation:

Reaction

                 Cr2O3(s)   +   3CCl4(l)   ⇒  2CrCl3(s)  +   3COCl2(g)

From the information given and the reaction, we can conclude that:

Green solid = Cr2O3 (s)     "s" means solid

Colorless liquid = CCl4 (l)    "l" means liquid   and is the other reactant

Purple solid = CrCl3(s)        CrCl3 is purple and "s" solid

Then, as a green specks remains it means that the excess reactant is Cr2O3, so, CCl4 is the limiting reactant.

6 0
3 years ago
If velocity is positive, which would most likely yield a negative acceleration?
Nataliya [291]

Answer:

An initial velocity that is faster than a final velocity

Explanation:

Edg 2020

5 0
2 years ago
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