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WITCHER [35]
3 years ago
8

How does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? the value o

f q is negative the value of q is positive the value of q remains constant the value of q decreases the value of q equals zero
Chemistry
1 answer:
Citrus2011 [14]3 years ago
5 0
<span>the value of q is positive</span>
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Which phenomena naturally warms earth lower atmosphere and surface?
Alenkinab [10]

The phenomenon that naturally warms the earth's lower atmosphere and surface is called the greenhouse effect.


Put me as Brainliest!!!

6 0
3 years ago
Astronauts go to live on the International Space Station for a period of ________ month(s). A one B three C six D nine
kumpel [21]

Answer:

The answer is C. six months

Explanation:

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3 0
3 years ago
Why do gases exert pressure?
lukranit [14]
Image result for why do gases exert pressure
The molecules are continually colliding with each other and with the walls of the container. When a molecule collides with the wall, they exert small force on the wall The pressure exerted by the gas is due to the sum of all these collision forces.The more particles that hit the walls, the higher the pressure.

5 0
3 years ago
Calculate the volume of a 1.50M HCl solution that contains 0.920 mol of HCI. (SHOW WORK)
BARSIC [14]

Answer:

= 0.613dm^3

Explanation:

Data:

Molarity, M = 1.50M

no. of moles = 0.920 moles

volume=?

Solution:

as,         molarity= \frac{moles}{volume in dm^3}

so,           volume =\frac{moles}{molarity}

putting values:

                = \frac{0.920}{1.50}

                 volume = 0.613dm^3

6 0
2 years ago
Chlorine has seven valence electrons. It can form a bond with two atoms of Magnesium (two valence electrons). Is this an example
Schach [20]

Answer:

The answer to your question is Ionic bonding. Magnesium loses 2 electrons and Chlorine gains 1 electron

Explanation:

An Ionic bond is formed between a metal and a nonmetal and the difference of electronegativity is higher than 1.7. In this type of bond, metals lose electrons and nonmetals gain them.

Covalent bonding is formed between two nonmetals and the difference of electronegativity is between 0 and 1.7. Elements share electrons.

Process

Electronegativity of Mg = 1.31

Electronegativity of Cl = 3.16

Difference = 3.16 - 1.31

                  = 1.85

          1.85 > 1.7 then the bond formed is Ionic

Magnesium loses 2 electrons and Chlorine gains 1 electron

6 0
3 years ago
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