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3 years ago

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I NEED HELP!! When cells are submerged in a hypertonic solution, the salt concentration inside the cells is _______ than the sal

t concentration outside the cells. This causes water to _______ the cells.

1 answer:

jekas [21]3 years ago

7 0

"Hypotonic" is the first one, and "Rush" is your second one.

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This gas law works only if temperature is recorded in ———— units

Vsevolod [243]

Answer:

Kelvin

Explanation:

Gas laws re the laws that relates properties of gases such as pressure, temperature and volume at different conditions.
Gas laws includes, Boyle's law, Charles law, grahams law and pressure law among others.
Temperature is one of the quantity of gases explained by gas laws. For gas laws to work, temperature should always be in Kelvin. Therefore, when given temperature in degrees, it is converted to Kelvin by adding 273, that is °C + 273 = K.

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3 years ago

Calculate the mass of vanadium(V) oxide (V2O5) that contains a million (1.0 *10^6) vanadium atoms. Be sure your answer has a uni

sweet [91]

Answer : The mass of vanadium(V) oxide will be $1.51\times 10^{-16}g$

Explanation : Given,

Number of atoms of $V_2O_5$ = $1.0\times 10^{6}$

Molar mass of $V_2O_5$ = 181.88 g/mole

In $V_2O_5$ , there are 2 atoms of vanadium and 5 atoms of oxygen.

First we have to determine the moles of $V_2O_5$ .

As, $2\times 6.022\times 10^{23}$ number of vanadium atom present in 1 moles of $V_2O_5$

So, $1.0\times 10^{6}$ number of vanadium atom present in $\frac{1.0\times 10^{6}}{2\times 6.022\times 10^{23}}=8.3\times 10^{-19}$ moles of $V_2O_5$

Now we have to determine the mass of $V_2O_5$ .

$\text{Mass of }V_2O_5=\text{Moles of }V_2O_5\times \text{Molar mass of }V_2O_5$

$\text{Mass of }V_2O_5=(8.3\times 10^{-19}mole)\times (181.88g/mole)=1.51\times 10^{-16}g$

Therefore, the mass of vanadium(V) oxide will be $1.51\times 10^{-16}g$

4 0

4 years ago

Read 2 more answers

Balance the following chemical equation correctly.

maks197457 [2]

Explanation:

2H2+O2– 2H2O
3Al+Fe2O3– 3AlO+2Fe
2Na+2HCl– 2NaCl+2H
CH4+O2– CO2+2H2
H2O+SO3– H2SO4

6 0

3 years ago

Please help! 30 points!

lisabon 2012 [21]

The person above me is correct

8 0

3 years ago

Write out the balanced equation for the reaction that occurs when Mg(OH)2 and HCl react together. You do not need to make your s

SVEN [57.7K]

Magnesium hydroxide react with hydrochloride to give magnesium chloride and water
THe word equation
magnesium hydroxide +hydrochroric acid---> Magnesium chloride+water

chemical equation
Mg(OH)2(S) + 2HCl (L)--> Mgcl2(S) + 2H2O(l)
when balancing the equation we count the number of molecules in the reactant side which should balance with molecules in the product side.

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3 years ago

Read 2 more answers