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maria [59]
3 years ago
8

Which statements are true of a basic solution? Check all that apply. A. To make it more concentrated, add base B. To make it mor

e dilute, add base C. To make it more dilute, add water D. To make it more concentrated, add water
Chemistry
1 answer:
Zepler [3.9K]3 years ago
7 0
The correct answers are A. and C.
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Una pieza de silicio tiene un volumen de 8 cm3. ¿Cuál es su masa? *
Maurinko [17]

Answer:

el volumen es igual a masa decidida por densidad

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2 years ago
After some wood has completely burned in a fire some of the matter that made up the wood has been destroyed
STatiana [176]

Answer:

Because it went through a chemical change which changes its atomic form

5 0
2 years ago
The proposed mechanism for a reaction is: Step 1: A + B X (fast) Step 2: X + C Y (slow) Step 3: Y D (fast) What is the overall r
PolarNik [594]

Answer:

(slow)xy2+z→xy2z (fast) c step1:step2:xy2+z2→xy2z2

Explanation:

Step1: xy2+z2→xy2z2 (slow)

Step2: xy2z2→xy2z+z (fast)

2XY 2 + Z 2 → 2XY 2 Z

Rate= k[xy2][z2]

 

When the two elementary steps are summed up, the result is equivalent to the stoichiometric equation. Hence, this mechanism is acceptable. The order of both elementary steps is 2, which is ‘≤3’; this also makes this mechanism acceptable. Furthermore, the rate equation aligns with the experimentally determined rate equation, and this also makes this mechanism acceptable. Therefore, since all the three rules have been observed, this mechanism is possible.

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3 years ago
How many moles are there in 87.2 g of zinc fluoride?
Sladkaya [172]

Answer:

what I got was 0.8435160945347224 moles

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2 years ago
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