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OleMash [197]
3 years ago
8

What do animal and plant cells have in common

Chemistry
1 answer:
Pavlova-9 [17]3 years ago
6 0

Answer:

both have cell membranes

Explanation:

the animal cell has small  or temporary vacuoles.

animal cell does not have chloroplast or cell wall.

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Hello guys i wanted to ask if anyone could check my answers please :) 10 points
arlik [135]
The first answer is C, condensation is a physical process and the others are chemical.

The second answer is B, it doesn't change depending on location (the answer you chose)

The third answer is A.

The fourth answer is B. Temperature is an intensive property.

No explanations for the ones you got correct.
7 0
3 years ago
Read 2 more answers
How many kilojoules are released when 8.2 g of water condenses at 100 °c and cools to 15 °c?
MrRa [10]

Answer:- 2.92 kJ of heat is released.

Solution:- We have water at 100 degree C and it's going to be cool to 15 degree C.

So, change in temperature, \Delta T = 15 - 100 = -85 degree C

mass of water, m = 8.2 g

specific heat of water, c = 4.184\frac{J}{^0C.g}

The equation used for solving this type of problems is:

q=mc\Delta T

Let's plug in the values in the equation and solve it for q which is the heat energy:

q = (8.2)(4.184)(-85)

q = -2916.248 J

They want answer in kJ. So, let's convert J to kJ and for this we divide by 1000.

q=-2916.248J(\frac{1kJ}{1000J})

q = -2.92 kJ

Negative sign indicates the heat is released. So, in the above process of coiling of water, 2.92 kJ of heat is released.

3 0
3 years ago
Heather mixes two white liquids together. Immediately, a gray liquid forms.
Klio2033 [76]
The grey liquid is related to the white liquids because the change in colour is the result of a chemical change/reaction between the two white liquids.
4 0
3 years ago
Express 0.044 km in meters.
SVEN [57.7K]

Answer:

44

Explanation:

You multiply the length value by 1000

6 0
3 years ago
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Steel is an alloy consisting of Fe with a small amount of C. Elemental Cr can be added to steel to make the steel less likely to
Yakvenalex [24]
The statement is true
8 0
3 years ago
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