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SOVA2 [1]
2 years ago
9

A beetle crawls 2 cm/ min for 10 minutes. How far did the beetle crawl?

Chemistry
2 answers:
Ber [7]2 years ago
5 0

Answer:

20 cm

Hope this helps

Sorry if it is wrong

julsineya [31]2 years ago
4 0

Answer:

20 cm

Explanation:

so if it goes 2 cm per minute and it goes for ten minutes then the equation

would be 10x2=20

so 20 is the answer

Hope this helps :))

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Is the osmotic pressure of a 0.10 M solution of NaCl greater than, less than, or equal to that of a 0.10 M solution of KBr?a. eq
jonny [76]

Answer:

a. equal to

Explanation:

The <em>osmotic pressure</em> is calculated by the formula:

π = <em>i</em> * M * R * T

Where π is the osmotic pressure, M is the concentration, R is a constant, T is temperature and <em>i</em> is the van't Hoff's factor (the number of ions a compound forms when dissolved in water,<u> for both NaCl and KBr is 2</u>).

Because R is always the same, and <u>Temperature and Concentration are equal between the two solutions</u>, the osmotic pressure of both solutions are also equal.

4 0
3 years ago
The molecular weight of a gas that has a density of 5.75 g/l at stp is __________ g/mol.
Ira Lisetskai [31]

Answer : The molecular weight of a gas is, 128.9 g/mole

Explanation : Given,

Density of a gas = 5.75 g/L

First we have to calculate the moles of gas.

At STP,

As, 22.4 liter volume of gas present in 1 mole of gas

So, 1 liter volume of gas present in \frac{1}{22.4}=0.0446 mole of gas

Now we have to calculate the molecular weight of a gas.

Formula used :

\text{Moles of gas}=\frac{\text{Mass of a gas}}{\text{Molecular weight of a gas}}

Now put all the given values in this formula, we get the molecular weight of a gas.

0.0446mole=\frac{5.75g}{\text{Molecular weight of a gas}}

\text{Molecular weight of a gas}=128.9g/mole

Therefore, the molecular weight of a gas is, 128.9 g/mole

8 0
3 years ago
Read 2 more answers
I need some help on this.
Orlov [11]

Answer:

I think the right answer is c/ number of atomic orbitals

5 0
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Because I'm the warm it melts in the cold it's frozen
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Which element(s) are not balanced in this equation?
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The correct response is A. Only the Fe is unbalanced.
6 0
2 years ago
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