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DaniilM [7]
2 years ago
11

Name any two metals having high density​

Chemistry
2 answers:
Mama L [17]2 years ago
4 0

Answer: Hydrogen

Sodium Magnesium Aluminium

Potassium Calcium Gallium

Rubidium Strontium Indium

Caesium Barium Thallium

Explanation:

barxatty [35]2 years ago
3 0

Answer:

Aluminium

Potassium

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Harvey kept a balloon with a volume of 348 milliliters at 25.0˚C inside a freezer for a night. When he took it out, its new volu
ad-work [718]

Initial volume of the balloon = V_{1}= 348 mL

Initial temperature of the balloon T_{1} = 25.0^{0}C + 273 = 298 K

Final volume of the balloon V_{2} = 322 mL

Final temperature of the balloon = T_{2} = ?

According to Charles law, volume of an ideal gas is directly proportional to the temperature at constant pressure.

\frac{V_{1} }{T_{1} } =\frac{V_{2} }{T_{2} }

On plugging in the values,

\frac{348mL}{298 K} =\frac{322 mL}{T_{2} }

T_{2} =276 K

Therefore, the temperature of the freezer is 276 K

5 0
3 years ago
Suppose your teacher ask you to separate a mixture of sand and water.Which of the following merhods would u use:distillation fil
MrRa [10]

Answer:

Filtration

Explanation:

Filtration would be best because the sand particles would be trapped in the filter paper and the water would go through so the mixture would be separated

7 0
2 years ago
Convert the volume to its equivalent in milliliters. 14 μL= ? mL
Diano4ka-milaya [45]
0.014 is the answer
6 0
3 years ago
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For each situation below, state whether water will move into the cell, move out of the cell, or stay the same.
Firdavs [7]
Water moves from an area of higher water potential (aka. "more water" in simple language) to an area of lower water potential (aka. "less water" in simple language).

For A, cells in carrots have water stored in their cytoplasm, where many soluble substances may be found (e.g. sodium ions). On the other hand, pure water has no other soluble substances other than the water molecules (I.e. H2O). Pure water will thus have a higher water potential as compared to the water in carrot cells, and so, water will move from pure water into the carrot cells via osmosis down a concentration gradient.

B. Corn syrup is water that has high concentrations of sugars, thus it is very likely to have a lower water potential than the cells of carrots. Water will move from within the cells of carrots and out to the corn syrup, down a concentration gradient.

C. The water in carrot cells will stay the same, since carrot cells have the same water potential as the surrounding solution which has the same water potential as cytoplasm.

Hope this helps! :)
8 0
3 years ago
If this container of gas is heated,
iogann1982 [59]

Answer:

theory

Explanation:

kinetic theory of gases

5 0
2 years ago
Read 2 more answers
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