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sdas [7]
3 years ago
12

Osmosis is the passage of water molecules through a semi-permeable membrane from a solution of ________ concentration to _______

_ concentration. osmosis is the passage of water molecules through a semi-permeable membrane from a solution of ________ concentration to ________ concentration. lower, higher higher, lower
Chemistry
1 answer:
grandymaker [24]3 years ago
3 0

Osmosis is the passage of water molecules through a semi-permeable membrane from a solution of ___lower_____ concentration to ___higher_____ concentration.

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A certain protein was found to contain 0.292% manganese by mass. Determine the minimum molecular mass of the protein.
Lisa [10]
55u \ \ \ \ \ \ \Rightarrow \ \ \ \ \ 0,292\%\\
x \ \ \ \ \ \ \ \ \ \Rightarrow \ \ \ \ \ 100\%\\\\
x = \frac{55u*100\%}{0,292\%}\approx18835,62u
4 0
3 years ago
Fe(CN)63- + Re → Fe(CN)64- + ReO4--. What is reduced?
givi [52]

Answer:

1. Fe is reduced

2. Mn is Oxidized

3. N is oxidized

Explanation:

<em>Check the image below:</em>

Reducing agent is an element or compound that loses an electron to an electron recipient in a redox chemical reaction. oxidizing agent is a substance that has the ability to oxidize other substances — in other words to accept their electrons.

6 0
3 years ago
A solution composed of 30.6g NH3 in 81.3g of H20. Calculate the mole fraction for NH3 and H20
irina [24]

Answer:

0.286 moles

Explanation:

i hope this is helpful for you

4 0
2 years ago
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A 125 g compound consists of 37% oxygen? What is the mass of oxygen in this compound?
zepelin [54]

19.44%

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7 0
3 years ago
Which gas law states that the pressure of a gas decreases when volume is increased and the temperature is unchanged
Nesterboy [21]

Answer: Boyle's law

Explanation: It states that pressure of a gas is inversely proportional to the volume of a gas at constant temperature.

P∝\frac{1}{V}       at constant temperature

or If the pressure of gas is decreased, the volume increases if the temperature is unchanged and If the pressure of gas is increased, the volume decreases if the temperature is unchanged.

P_1V_1=P_2V_2

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3 years ago
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