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kow [346]
3 years ago
10

Solve question 4a least reactive to most reactive

Chemistry
1 answer:
denis23 [38]3 years ago
7 0
Nickel (II) oxide, iron (III) oxide, chromium (III) oxide, magnesium oxide
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explain how both hydrogen and carbon have achieved stability by bonding with each other to form methane ​
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Which of the following is the strongest base? ta) CH,ONa (b) NaNH, (c) CH-CH,Li (0) NaOH (6) CHÚCONa
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Hey there:

Correct answer is :

(b) NaNH₂

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I hope this will help !

7 0
3 years ago
A student analyzes soil samples from her backyard. She organizes the samples into three categories, based on their pH. The three
Sedaia [141]
I think the best answer is the last option. A scatter plot is the appropriate type of graph for the student to use to show the percent samples per group. This plot is somewhat similar to line graphs. However, they are use for  a specific purpose which is to show the relationship between two parameters. In this case, the correlation between pH and the percent of samples.
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3 years ago
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n a gas-phase equilibrium mixture of SbCl5, SbCl3, and Cl2 at 500 K, pSbCl5 = 0.17 bar and pSbCl3 = 0.22 bar. Calculate the equi
Lorico [155]

Answer:

2.7 × 10⁻⁴ bar

Explanation:

Let's consider the following reaction at equilibrium.

SbCl₅(g) ⇄ SbCl₃(g) + Cl₂(g)

The pressure equilibrium constant (Kp) is 3.5 × 10⁻⁴. We can use these data and the partial pressures at equilibrium of SbCl₅ and SbCl₃, to find the partial pressure at equilibrium of Cl₂.

Kp = pSbCl₃ × pCl₂ / pSbCl₅

pCl₂ = Kp × pSbCl₅ / pSbCl₃

pCl₂ = 3.5 × 10⁻⁴ × 0.17 / 0.22

pCl₂ = 2.7 × 10⁻⁴ bar

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1. Explain how and why stars appear to move through the sky throughout the night. Then, explain why Polaris does not move.
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Polaris the north star is very bright and it doesn’t move
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