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lutik1710 [3]
2 years ago
9

Which state of matter is being described below? it can be squashed easily, spreads out slowly, has low density,

Chemistry
1 answer:
sergeinik [125]2 years ago
3 0

Answer:

liquid

Explanation:

Gas has very low density but spreads fast. Solid has high density.

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The frequency of an x-ray wave is 3.0 x 1012 MHz. Its wave speed is 3.0x 108 m/s. Calculate the wavelength of the x-ray wave bel
elena55 [62]

Answer:

λ = 1*10⁻¹⁰m

Explanation:

Frequency (f) = 3.0*10¹²MHz = 3.0*10¹⁸Hz

Speed (v) = 3.0*10⁸m/s

Speed (v) of a wave = frequency (f) * wavelength (λ)

V = fλ

Solve for λ,

λ = v / f

λ = 3.0*10⁸ / 3.0*10¹⁸

λ = 1*10⁻¹⁰m

λ = 0.

6 0
3 years ago
Convert 3828 ml to L
crimeas [40]

Answer:

divide the volume value by 1000

So 3828/1000=3.828

3 0
3 years ago
Please somebody help!!!!!!!!!!!!!
natta225 [31]

Answer:

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4 0
3 years ago
The overall cell reaction occurring in an alkaline battery isZn(s) + MnO₂(s) + H₂O(l) → ZnO(s) + Mn(OH)₂(s) (b) If 4.50 g of zin
Airida [17]

5.911 grams of manganese dioxide and 1.224 gram of water are consumed.

<h3>What is Balanced Chemical Equation ?</h3>

The balanced chemical equation is the equation in which the number of atoms on the reactant side is equal to the number of atoms on the product side in an equation.

The given reaction balanced equation is:

Zn(s) + MnO₂(s) + H₂O(l) → ZnO(s) + Mn(OH)₂(s)

<h3>How to find the number of moles ?</h3>

To find the number of moles use the expression:

Number of moles = \frac{\text{Given mass}}{\text{Molar mass}}

Here,

Mass of Zn = 4.50 g

Molar mass of Zn = 65.4 g/mol

Now put the value in above expression

Number of moles of Zn = \frac{\text{Given mass}}{\text{Molar mass}}

                                       = \frac{4.5\ g}{65.4\ \text{g/mol}}

                                       = 0.068 mol

Mass of MnO₂ = Moles of MnO₂ × Molar mass of MnO₂

                        = 0.068 mol × 86.9368 g/mol

                         = 5.911 g

Mass of H₂O = Moles of H₂O × Molar mass of H₂O

                     = 0.068 mol × 18.0 g/mol

                     = 1.224 g

Thus from the above conclusion we can say that 5.911 grams of manganese dioxide and 1.224 gram of water are consumed.

                 

Learn more about the Balanced chemical equation here: brainly.com/question/26694427

#SPJ4

4 0
2 years ago
99% 1H<br> 0.8% 2H<br> 0.2% 3H<br> Average Atomic Mass = [answer] amu<br> PLEASE HELP ME
alukav5142 [94]

Answer: 1.01 atomic mass units or amu

Explanation:

5 0
3 years ago
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