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3 years ago

Glucose is a product of photosynthesis. where do the carbon atoms in glucose come from?

Chemistry

2 answers:

julia-pushkina [17]3 years ago

6 0

The carbon atoms in glucose come from CO2 and H20. The carbon in the atoms come from Carbon Dioxide in the air.

-Hope this helps! xo

sineoko [7]3 years ago

5 0

Carbon atoms in glucose come from carbon dioxide.

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A scientist fills a large, tightly sealed balloon with 75,000 mL of helium at STP.

pav-90 [236]

Considering the definition of STP conditions, 3.35 moles of helium are contained within the balloon.

<h3>Definition of STP condition</h3>

The STP conditions refer to the standard temperature and pressure. Pressure values at 1 atmosphere and temperature at 0 ° C are used and are reference values for gases. And in these conditions 1 mole of any gas occupies an approximate volume of 22.4 liters.

<h3>Amount of moles of helium within the balloon</h3>

In this case, you know that scientist fills a large, tightly sealed balloon with 75,000 mL of helium at STP.

So, you can apply the following rule of three: if by definition of STP conditions 22.4 liters are occupied by 1 mole of helium, 75 L (75 L= 75000 mL, being 1 L= 1000 L) are occupied by how many moles of helium?

$amount of moles of helium=\frac{75 Lx1 mole}{22.4 L}$

<u><em>amount of moles of helium= 3.35 moles</em></u>

Finally, 3.35 moles of helium are contained within the balloon.

Learn more about STP conditions:

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2 years ago

Which practice does the Montreal Protocol aim to reduce?

PolarNik [594]

Ozone which is present in the stratospheric region of atmosphere is helpful for preventing harmful UV rays from reaching the surface of earth. Due to human activity, several compounds (specifically chlorofluorocarbons) are released in atmosphere. Due to inherent chemical stability of these compounds, the remain stable in lower region of atmosphere and slowly diffuse into stratosphere. On reaching the stratosphere, these compounds reacts with ozone and thereby depletes the effective concentration of ozone present in atmosphere. Hence, <span>the Montreal Protocol was signed in 1987 by major countries of the world. This aim of this protocol was to protect the stratospheric ozone layer by phasing out the production and consumption of ozone-depleting substances.</span>

6 0

3 years ago

Read 2 more answers

A que llamamos niveles y subniveles de energia?

Softa [21]

Answer:

agua

Explanation:

por que estamos en la planeta

4 0

3 years ago

How many liters of plasma are present in 8.5 pints?

stellarik [79]

Answer:

there are 4.0205 Litres of plasma in 8.5 pints

Explanation:

Recall that:

1 quart qt = 2 pints pt and 1 quart = 946 mL

∴ two pints will contain 946 mL

and one pint will be = 946 mL/2

= 473 mL

Similarly, 8.5 pints will contain 473 mL × 8.5 = 4020.5 mL

We know that :

1000 mL = 1 Litres

Hence 4020.5 mL = (4020.5 /1000)L

= 4.0205 Litres

Therefore, there are 4.0205 Litres of plasma in 8.5 pints

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3 years ago

Which describes a stationary reference point?

kondaur [170]

Answer: C

Explanation:

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3 years ago