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HACTEHA [7]
3 years ago
14

Why is an atom considered electrically neutral?

Chemistry
2 answers:
sveticcg [70]3 years ago
8 0

Explanation:

A proton and an electron have an equal amount but an opposite type of charge. Thus, if an atom contains equal numbers of protons and electrons, the atom is described as being electrically neutral.

Aleks04 [339]3 years ago
4 0

Answer:

.

Explanation:

A proton and an electron have an equal amount but an opposite type of charge. Thus, if an atom contains equal numbers of protons and electrons, the atom is described as being electrically neutral.

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The density of copper is 8.92 g/cm^3. If you plotted the mass of copper in grams versus the volume in cubic centimeters, what wo
dybincka [34]

The slope would be 8.92g/cm^3.

<em>D = m/V</em>

<em>m = DV </em>

The equation for a straight line is

<em>y</em> = m<em>x</em> +b, where m is the slope and b is the y-intercept. We have

<em>m</em> = D<em>V</em> + 0

Thus, a plot of <em>m</em> vs <em>V</em> will give a straight line with a slope of <em>D</em> and a

<em>y</em>-intercept at the origin.

Slope = <em>D</em> = 8.92g/cm^3

3 0
3 years ago
Consider the following chemical reaction: H2 (g) + I2 (g) 2HI (g) At equilibrium in a particular experiment, the concentrations
bearhunter [10]

The question is incomplete, here is the complete question:

Consider the following chemical reaction: H₂ (g) + I₂ (g) ⇔ 2HI (g) At equilibrium in a particular experiment, the concentrations of H₂, I₂, and HI were 0.15 M, 0.033 M and 0.55 M respectively. The value of Keq for this reaction is

<u>Answer:</u> The value of K_{eq} for the given reaction is 61.11

<u>Explanation:</u>

Equilibrium constant is defined as the ratio of concentration of products to the concentration of reactants each raised to the power their stoichiometric ratios. It is expressed as K_[eq}

For a general chemical reaction:

aA+bB\rightarrow cC+dD

The expression for K_{eq} is written as:

K_{eq}=\frac{[C]^c[D]^d}{[A]^a[B]^b}

For the given chemical equation:

H_2(g)+I_2(g)\rightleftharpoons 2HI(g)

The expression of K_{eq} for above equation follows:

K_{eq}=\frac{[HI]^2}{[H_2][I_2]}

We are given:

[HI]_{eq}=0.55M

[H_2]_{eq}=0.15M

[I_2]_{eq}=0.033M

Putting values in above expression, we get:

K_{eq}=\frac{(0.55)^2}{0.15\times 0.033}\\\\K_{eq}=61.11

Hence, the value of K_{eq} for the given reaction is 61.11

4 0
4 years ago
a person tries to catch a bus to see how it starts; in a desperate attempt, he starts running with a speed of 6m / s. When you a
Brut [27]

Answer:

I dont know

Explanation:

4 0
3 years ago
What is 0.00034 in exponential form
Verizon [17]

Answer:

3.4  ×  10 ^− 4

Explanation:

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the  

10 . If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

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Explain what pillow lava is. How does its presence in the central valley of mid-ocean ridges support the idea of sea-floor sprea
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<span>Pillow lavas have pillow-like structures and are formations that push lava on the surface of the earth underwater. Magma comes out of ocean ridges as pillow lava and forms a new oceanic crust, supporting sea floor spreading. The older crust gets pushed away from the ridge and pushes on to the continents, making them drift.</span>
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