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3 years ago

__________ is the attractive pull between any two objects.

Chemistry

2 answers:

Free_Kalibri [48]3 years ago

7 0

Gravity is the force that pulls two objects together

VikaD [51]3 years ago

4 0

Answer: Option (c) is the correct answer.

Explanation:

Gravity is defined as the attractive pull or force of attraction between the objects and the Earth.

For example, an apple falling from a tree to the ground represents that force of gravity has pulled the apple towards the ground.

Thus we can conclude that out of the given options, gravity is the attractive pull between any two objects.

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Which of the following does the internal energy of an ideal gas depend upon?

Serggg [28]

Answer:

The correct option is: a. The internal energy depends upon its temperature.

Explanation:

Ideal gas is a hypothetical gas that obeys the ideal gas law. The equation for the ideal gas law:

P·V=n·R·T

Here, V- volume of gas, P - total pressure of gas, n- total mass or number of moles of gas, T - absolute temperature of gas and R- the gas constant

Also, according to the Joule's second law, the internal energy (U) of the given amount of ideal gas depends on the absolute temperature (T) of the gas only, by the equation:

$U = c_{V}nRT$

Here, $c_{V}$ is the specific heat capacity at constant volume

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3 years ago

Is milk SMELLING sour a physical or chemical property? I know that milk souring is a chemical change, but the question does ment

s2008m [1.1K]

It's not chemical because it would have to react to something to change so it is physical change because it is the same thing but it just smells I hope this helped

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3 years ago

Read 2 more answers

How many moles are in 1.50x10^23 molecules of NH3

Rom4ik [11]

The answer is 0.25 moles because one mole of NH3 would have apporximately 6.02X10^23 molecules

6 0

3 years ago

How many grams of phosphorus are in 500.0 grams of calcium phosphide? (i need the work also)

kvv77 [185]

Answer:

$\boxed{\text{170.0 g P}}$

Explanation:

The formula of calcium nitride is Ca₃P₂.

The masses of each element are:

$\begin{array}{lrcr}\text{3Ca:} & 3 \times 40.08&=& \text{120.24 u}\\\text{2P:} & 2\times 30.97&=& \text{61.94 u}\\& \text{TOTAL} & = & \text{182.18 u}\\\end{array}$

So, there are 61.94 g of P in 182.18 g of Ca₃P₂.

In 500 g of Ca₃P₂:

$\text{Mass of P} = \text{500.0 g Ca$_{3}$P$_{2}$} \times \dfrac{\text{61.94 g P}}{\text{182.18 g Ca$_{3}$P$_{2}$}} = \text{170.0 g P}$

There are $\boxed{\textbf{170.0 g P}}$ in 500.0 g of Ca₃P₂.

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3 years ago

How many hydrogen atoms would be present in 12 molecules of water (h2o)? 3 2 24 12

GalinKa [24]

Answer:

Two water molecules contain 4 hydrogen atoms and 2 oxygen atoms. A mole of water molecules contains 2 moles of hydrogen atoms and 1 mole of oxygen atoms.

Explanation:

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3 years ago