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3 years ago

9

A cone with the same base but a height 3 times taller than the given cylinder exists. What is the volume of each figure? Express

your answers in terms of pi.
Volume of the cylinder = pi
Volume of the cone = pi

2 answers:

Alex777 [14]3 years ago

6 0

Answer: the answer to this problem is 36 :)

Keith_Richards [23]3 years ago

6 0

Answer:

Both are 36

Step-by-step explanation:

I just did it

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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.

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7 0

2 years ago

Equation of elimination method<br> 4a+b=28<br> a+4b=-8

Vilka [71]

Download an app called Photomath then it will answer it for you with work and explaining

6 0

3 years ago

In the triangle XYZ the measure of angle YXZ is 50 degrees and the measure of angle XYZ is 75 degrees. What is the measure of an

lbvjy [14]

<h2>Answer: 55 degrees</h2>

Step-by-step explanation:

Every triangle has 3 sides and 3 interior angles whose measures sum to 180 degrees. For example, a triangle with angles $\theta$ , $\alpha$ and $\beta$ :

$\theta+\alpha+\beta=180\º$

Following this rule, we will apply it to the angles XYZ, YXZ and the unknown XZY:

$XYZ+YXZ+XZY=180\º$

$50\º+75\º+XZY=180\º$

$XZY=180\º-50\º-75\º$

Finally:

$XZY=55\º$

8 0

3 years ago

Read 2 more answers

PLEASE HURRY<br><br> 9x^2 + 64 = 0<br><br> I NEED THE WORK SHOWN IN ORDER TO GET CREDIT

seropon [69]

Answer:

x = ± $\frac{8}{3}$ i

Step-by-step explanation:

subtract 64 from both sides

9x² = - 64 ( divide both sides by 9 )

x² = - $\frac{64}{9}$ ( take the square root of both sides )

x = ± $\sqrt{-64/9}$ = ± $\frac{8}{3}$ i

6 0

3 years ago

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Please help < <<<<<<<<33333333 TYY<br> -20 -8 + (-12)

Montano1993 [528]

Answer:

-30

Step-by-step explanation:

-20-8=-28

-28-12

=-30

5 0

2 years ago