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irakobra [83]
3 years ago
10

Help hurry will mark Brainliest

Chemistry
2 answers:
sweet-ann [11.9K]3 years ago
8 0

Answer: B. A net force that points to the right

Explanation: If the girls are stronger than the boys, then the rope would move to the right, BUT if the boys are stronger than the girls, then the rope would move to the left. The answer is obvious because if you look carefully, you can see that the girls are bigger than the boys, and they are more spread out rather than all in one spot.

Troyanec [42]3 years ago
6 0

Answer:

b

Explanation:

its oviouse man/girl

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ludmilkaskok [199]
Magnesium would be more reactive.
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3 years ago
How to indicate how many atoms are in each molecule
Nataly [62]
The number of atoms in a molecule varies depending on the specific molecule formed. As a rule of thumb, a molecule must be composed of at least two atoms with no maximum amount of atoms as long as all the atoms in the molecule are bonded together somehow.

 
8 0
4 years ago
2.61 kilograms of water in a container have a pressure of 200 kPa and temperature of 200°C . What is the volume of this containe
Arisa [49]

<u>Answer:</u> The volume of the container is 2.8497m^3

<u>Explanation:</u>

To calculate the volume of water, we use the equation given by ideal gas, which is:

PV=nRT

or,

PV=\frac{m}{M}RT

where,

P = pressure of container = 200 kPa

V = volume of container = ? L

m = Given mass of water = 2.61 kg = 2610 g   (Conversion factor: 1kg = 1000 g)

M = Molar mass of water = 18 g/mol

R = Gas constant = 8.31\text{L kPa }mol^{-1}K^{-1}

T = temperature of container = 200^oC=[200+273]K=473K

Putting values in above equation, we get:

200kPa\times V=\frac{2610g}{18g/mol}\times 8.31\text{L kPa }\times 473K\\\\V=2849.7L

Converting this into cubic meter, we use the conversion factor:

1m^3=1000L

So, \Rightarrow \frac{1m^3}{1000L}\times 2849.7L

\Rightarrow 2.8497m^3

Hence, the volume of the container is 2.8497m^3

6 0
3 years ago
What is the oxidation state of each element in S03^2-?
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Mycraf I fink? Sory is wrong

5 0
3 years ago
Mg(OH)2 + 2HNO3 → Mg(NO3)2 + 2H20
LenaWriter [7]

Answer:

A. 1350

You multiply 18.21HNO3* 1mol MgN2O6 * 148.30MgN2O6

Then divide it by the 2mol HNO3 to get 1350

3 0
3 years ago
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