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Gre4nikov [31]
3 years ago
9

What is a species?

Chemistry
1 answer:
Nesterboy [21]3 years ago
7 0

Answer:a group of organisms that can reproduce and have fertile offspring

the process by which inherited traits in a population change over

generations

Explanation:

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b the awnser is b its a compound of carbon C and 2 oxygon atoms O sub 2

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A substance is made up of slow-moving particles that have very little space between them. Based on this information,
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It is not a gas because its particles do not have large space between them.

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which of the following pairs of elements could react to form an ionic compound? A. potassium and calcium B. sulfur and oxygen C.
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The correct option is FLUORINE AND COPPER.
An ionic compound is usually formed by the combination of a metal and a non metal, the metal usually act as an electron donor while the non metal act as an electron acceptor. Thus, in ionic compounds, there is total transfer of electrons from the metal to the non metal. In the question given here, copper is the metal while the fluorine is the non metal.<span />
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What do you make when you dissolve sugar in water?
Rasek [7]

Answer:

Answer is c.

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7 0
3 years ago
Calculate the number of moles of an ideal gas if it occupies 1750 dm3 under 125,000 pa at a temperature of 127 c. a. 0.21 moles
labwork [276]

The number of mole will be 65.81 mole.

An ideal gas would be one for which both the overall volume of the molecules and even the forces that exist between them are so negligible as to have no influence on the behavior of something like the gas.

Number of ideal gas can be calculated by using the formula:

PV = nRT

where, p is pressure, n is number of mole, R is gas constant and T is temperature.

Given data:

V= 1750 dm^{3} = 1750 L

P = 125,000 p = 1.2 atm

R = 0.082 L /mole kelvin

T = 273+127 = 400 K

Now, put the value of given data in above equation.

1.23atm x 1750L = n x 0.0820atm x Liter/ mole x kelvin  x 400K

n = 65.81 mole.

Therefore, the number of mole will be 65.81 mole

To know more about mole

brainly.com/question/21050624

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2 years ago
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