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exis [7]
3 years ago
6

Convert 75 cm to yards

Chemistry
2 answers:
daser333 [38]3 years ago
6 0
75cm in yards is 0.82021 yards
4vir4ik [10]3 years ago
4 0

1 cm = 0.0109 yd

75cm x  0.0109 yd/1 cm

75 cm = .8175 yd


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if the Celsius temperature of a gas at constant pressure is increased from 10 Celsius to 20 Celsius the volume is
svet-max [94.6K]

Answer:

               The volume is increased.

Explanation:

                     According to <em>Charles' Law</em>, " <em>at constant pressure the volume and temperature of the gas are directly proportional to each other</em>". Mathematically this law is presented as;

                                                    V₁ / T₁ = V₂ / T₂   -----(1)

In statement the data given is,

T₁  =  10 °C  =  283.15 K                    ∴  K  =  273.15 + °C

T₂  =  20 °C  =  293.15 K

So, it is clear that the temperature is being increased hence, we will find an increase in volume. Let us assume that the starting volume is 100 L, so,

V₁  =  100 L

V₂  =  Unknown

Now, we will arrange equation 1 for V₂ as,

                                                    V₂  =  V₁ × T₂ / T₁

Putting values,

                                     V₂  = 100 L × 293.15 K / 283.15 K

                                     V₂  = 103.52 L

Hence, it is proved that by increasing temperature from 10 °C to 20 °C resulted in the increase of Volume from 100 L to 103.52 L.

3 0
3 years ago
Usually, it is observed that climates in coastal regions are moderate as compared to climates in the interiors of continents. Wh
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<span>Answer: option D) Conditions over the oceans change slowly because water takes more time than land to gain or lose heat.

This is because water has a high heat capacity meaning that, with the same amount of heat, it will change its temperature less than what substances with lower heat capacities do.
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3 years ago
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IgorC [24]

Answer:

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∵ no. of moles (n) = mass / molar mass.

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3 years ago
Which statement is most consistent with the plum pudding model of the atom?
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The answer to this question would be: <span>1) Electrons occupy regions of space
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In plum pudding model, the atoms are drawn as pudding and the negative particle is spread around the pudding. In this model, the electron is spread but not moving in orbit. Rutherford model that comes afterward is the one that says most of the atoms is empty space.</span>
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The table below shows the content in mg of some chemical elements found in 100g of milk:
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