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ivolga24 [154]
3 years ago
11

What is an substance

Chemistry
2 answers:
lora16 [44]3 years ago
8 0
<span>a particular kind of matter with uniform properties.

</span>
andrey2020 [161]3 years ago
6 0
It's A particular kind of matter with uniform properties or it can be <span>the real physical matter of which a person or thing consists and which has a tangible, solid presence.

Hope this Helped!</span>
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An unknown gas is found to diffuse through a porous membrane 4.11 times more slowly than h2 what is the molecular weight of the
kirill [66]
To answer this question, you need to know <span>Graham's Law of Effusion/Diffusion formula. In this formula, the rate of diffusion/effusion would be influenced by the mass. As the molecule has bigger mass, the rate should be slower because it will be harder to pass the membrane. The calculation should be:</span>
<span>Rate 1 / Rate 2 = √[M2/M1] 
</span>4.11/1= √[M2/2] 
M2=33.78 g/mol

5 0
3 years ago
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Which statements describe situations where organisms interact and depend on each other for survival?
iragen [17]

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Mutualisms/Symbiotic relationships

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Consider the formula for glucose: C6H12O6. What does this indicate about the relationship of the reactants to glucose?
stellarik [79]

The correct option is D.

The reactants that combine together to form glucose are carbon dioxide, water and energy from the sun. Six molecules of carbon dioxide combine with six molecules of water in the presence of sunlight to form glucose. The chemical equation for the reaction is given below"

6CO2 + 6H2O + Sunlight = C6H12O6.

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2 years ago
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Details about outer ear
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