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fomenos
4 years ago
5

The cell membrane responds to chemical signals from other cells A) true B) false

Chemistry
2 answers:
nataly862011 [7]4 years ago
8 0
The answer would be A)true
Gennadij [26K]4 years ago
3 0
It would be because im learning about the cell too. true
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Balloon X is filled with the carbon monoxide. Balloon Y is filled to the same volume with carbon dioxide. The balloons are left
weqwewe [10]

Answer:

The smallest ballon is the ballon X

Explanation:

It is possible to answer this question by using Graham's law:

\frac{v_1}{v_2} =\sqrt{\frac{MW_2}{MW_1}}

Where v is the speed of effusion and MW is molar weight of each compound.

This equation is showing that speed is inversely related to the square root of its molar mass. As carbon dioxide has a bigger MW than carbon monoxide, the speed of effusion of carbon dioxide is lower doing its ballon biggest than carbon monoxide ballon, thus: <em>The smallest ballon is the ballon X</em>

<em></em>

I hope it helps!

6 0
3 years ago
An individual suffering from a high cholesterol level in her blood. if the total blood volume of the individual is 5.2 l, how ma
Usimov [2.4K]

If the concentration of cholesterol is 238mg/100ml:

238 mg ==> 100ml

2380 mg (or 2.38g) ==> 1000ml (1L)

So the concentration will be 2.38 g/L of cholesterol.

if the volume is 5.2 L, the total grams of cholesterol would be :

m = C . V = 2.38g/L * 5.2 L = 12.376 grams of cholesterol.

4 0
4 years ago
Carbon dioxide is made up of carbon and oxygen atoms is it an element or a compound
Ratling [72]

Carbon Dioxide is a compound gas

Carbon Dioxide is a gas produced by burning carbon and organic compounds and by respiration.

6 0
3 years ago
Read 2 more answers
In the experiment, you added water to the reaction vessel after the reaction was complete, but we did not discuss why. Based on
chubhunter [2.5K]

Answer:

A.

Explanation:

Water was added to the reaction after the completion of the reaction so as to lower the solubility if the product in the solution therefore, the product can be precipitated out. On adding water the reaction moves in forward direction and more product is formed. (By Le Chatelier's principle). Thus, the precipitation occurs. Hence, option A is correct.

5 0
4 years ago
When does a cold front develop? A. when two masses of warm air meet B. when a cold air mass invades a warm air mass C. when two
uranmaximum [27]

B. when a cold air mass invades a warm air mass

6 0
3 years ago
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