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Softa [21]
3 years ago
14

What is the density of a 25.8 g piece of broken glass that has a volume of 10.3 cm cubed

Chemistry
1 answer:
Anna11 [10]3 years ago
3 0

Answer:

2.5 g/cm^3

Explanation:

<em>Density </em><em>=</em><em> </em><em>mass</em><em> </em><em>÷</em><em> </em><em>volume</em>

<em>d =  \frac{m}{v}</em>

<em>d =  \frac{25.8}{10.3}</em>

<em>d =  2.5</em>

The final answer has been rounded to one decimal point - the real answer is much longer.

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CaCI2 + H2O = Ca(OH)2 + HCI

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Cuánto es aproximadamente 29, 029 pies en millas
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2 years ago
If hydrofluoric acid is a stronger acid than acetic acid, which statement is most likely true?
Alchen [17]

Answer: The statement conjugate base of hydrofluoric acid is weaker than that of acetic acid is most likely true.

Explanation:

A strong acid upon dissociation gives a weak conjugate base. This can also be said as stronger is the acid, weaker will be its conjugate base or vice-versa.

Hydrofluoric acid is a strong base as it dissociates completely when dissolved in water.

For example, HF \rightleftharpoons H^{+} + F^{-}

The conjugate base is F^{-} which is a weak base.

Acetic acid is a weak acid as it dissociates partially when dissolved in water. So, the conjugate base of acetic acid is a strong base.

CH_{3}COOH \rightarrow CH_{3}COO^{-} + H^{+}

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4 0
3 years ago
A car with a mass of 1,500 kg is traveling at a speed of 30 m/s. What force must be applied to stop the car in 3 seconds ?
saw5 [17]

Yo sup??

we can solve this problem by applying Newton's 2nd law

F*t=Δp

p=momentum

pi=mu=1500*30

pf=mv=m*0=0

Therefore

F*3=1500*30

F=15000 N

Hope this helps.

5 0
3 years ago
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