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nydimaria [60]
2 years ago
5

Write the balanced molecular equation for the neutralization reaction between HI and Ba(OH)2 in aqueous solution. Include physic

al states.
molecular equation
Chemistry
1 answer:
Marta_Voda [28]2 years ago
5 0

neutralization reaction = acid+base = salt + water

molecular equation = balanced equation

2HI(aq) + Ba(OH)₂(aq) ⇒ BaI₂(aq) + 2H₂O(l)

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A mileage test is conducted for a new car model. Thirty randomly selected cars are driven for a month and the mileage is measure
Leni [432]

Answer:  (27.81,\ 29.39)

Explanation:

Given : Sample size : n= 30 , it means it is a large sample (n≥ 30), so we use z-test .

Significance level : \alpha: 1-0.95=0.05

Critical value: z_{\alpha/2}=1.96

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Standard deviation : \sigma=2.2

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\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}

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4 0
3 years ago
12.<br> An object with a mass of 3 kg has a momentum of 75 kg•m/s. What is the velocity?
marissa [1.9K]

Answer:

the velocity is 25 m/s

Explanation:

The computation of the velocity is shown below:

As we know that

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So, the speed is

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Explanation:

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MgCO₃(s) => MgO(s) + CO₂(g) ... GpIIA Decomp

7 0
3 years ago
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