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bezimeni [28]
3 years ago
5

In _____ , materials move from an area of higher concentration to an area of lower concentration through a cell membrane.

Chemistry
1 answer:
Elenna [48]3 years ago
4 0
Answer = 1.selective permeability
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What is the name of the covalent compound CCl4?
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Think, first, about the type of molecule or formula unit you have (covalent or ionic). In this case, it is a covalent molecule. You start with the carbon. You could say monocarbon, but if it is just said to be carbon it is assumed to be one. Then you take the prefix for 4 and tack it on to the beginning of the chlorine. For this, the name is carbon tetrachloride.
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3 years ago
How many grams of H3PO4 are in 234 mL of a 2.5 M solution of H3PO4?
motikmotik

Answer:

57 grams of H3PO4

Explanation:

M= moles/ liters

convert mL to L

234 mL x 1L/1000mL = 0.234L

Rearrange the Molarity formula to solve for moles.

moles= MxL

moles= 2.5M x 0.234L

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Use the molar mass of H3PO4 to get to grams

0.585 mol x 97.994 grams/1 mol = 57.326 grams of H3PO4

round to two sig figs for 57 grams

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2 years ago
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aleksklad [387]
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7 0
3 years ago
Use the reaction to answer the question.
adelina 88 [10]

Answer:

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Explanation:

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3 years ago
Please help asap,
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10. Capital C and D represent products of chemical reaction, the capital A and B represent reactants, <span>the lower case letter represent coefficients (how many atoms or molecules in chemical reaction).
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