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adelina 88 [10]
2 years ago
10

Help please!! What is the slope?

Mathematics
2 answers:
Brut [27]2 years ago
6 0

Answer:

C. -1/3

Step-by-step explanation:

Youre getting close here!

since you are rising by one, and running by 3, the slope will be 1/3

BUT this is a negative slope, the line is going <em>down</em>

that means, the slope will be negative.

the slope is C. -1/3

Ulleksa [173]2 years ago
6 0

Answer:

-1/3

Step-by-step explanation:

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Type the correct answer in the box. express your answer to two significant figures. a reaction between 1.7 moles of zinc iodide
irga5000 [103]

The percent yield of zinc carbonate is 5.91%.

<h3>What is chemical reaction?</h3>

The chemical reaction is the reaction between two reactants which led to the formation of products.

The products are substances which forms after reaction. The reactants are the substances which are original materials.

Given is a reaction between 1.7 moles of zinc iodide and excess sodium carbonate yields 12.6 grams of zinc carbonate.

The given balanced equation is:  Na₂CO₃ + ZnI₂ → 2NaI + ZnCO₃

From given moles of zinc iodide, the moles of zinc carbonate

1.7 moles of ZnI₂ = 1.7 moles of ZnCO₃

Molar mass of zinc carbonate is 125.38 g/mol

Theoretical yield =  1.7 moles of ZnCO₃ x  125.38 g/mol = 213.15 g  ZnCO₃

Theoretical yield is 213.15 g and the actual yield is given as 12.6 g.

percent yield = [ 12.6 g / 213.15 g  ZnCO₃ ] x 100

percent yield = 5.91%

The percent yield of zinc carbonate is 5.91%.

Learn more about chemical reaction.

brainly.com/question/22817140

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7 0
2 years ago
Solve: 3 square root 8x-2=4<br> To solve this equation, first BLANK both sides
SpyIntel [72]

Answer:

Cube

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Step-by-step explanation:

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Answer:

C.

Step-by-step explanation:

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denpristay [2]

Answer:

im 70% sure that its D

Step-by-step explanation:

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Please please please help
Elina [12.6K]
Median of (72 82 92 93 94 97 98 102)
Median: 93.5
MAD : 7.125

Median of ( 53 59 64 65 65 66 67 69)
Median : 65
MAD : 3.75
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2 years ago
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