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Sophie [7]
2 years ago
7

Need help with this

Chemistry
1 answer:
Vesnalui [34]2 years ago
6 0
I ready is easy just read the passage the answer is right there if you just read
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What is the percent yield for a chemical reaction if the actual yield is 36 g and the theorical yield is 45 g.
SpyIntel [72]

Answer:

⇒ Percent yield = 80 %

Explanation:

Given:

Actual yield = 36 g

Theoretical yield = 45 g

Find:

Percent yield

Computation:

⇒ Percent yield = [Actual yield / Theoretical yield] 100%

⇒ Percent yield = [36 / 45] 100%

⇒ Percent yield =[0.8] 100%

⇒ Percent yield = 80 %

4 0
3 years ago
A cylinder with a radius of 5.6 cm and a height of 10.7 cm has what volume? (You can look up the formula for the volume of a cyl
Keith_Richards [23]

Answer:

V=1054.2cm^{3}

Explanation:

1. First take the cylinder volume formula:

V=\pi.r^{2}.h

2. Then take the values for the radius and the height of the cylinder and replace them into the formula:

V=\pi*(5.6cm)^{2}*(10.7cm)

3. Solve the equation:

V=\pi*(31.36cm^{2})*(10.7cm)

V=\pi*335.5cm^{3}

V=1054.2cm^{3}

6 0
4 years ago
silver is composed of a single type of atom and cannot be broken down into different substances. silver is an example of a(n) __
erik [133]
Silver is an example of an element. True. Elements are pure substances that cannot be broken down into simpler substances. An atom is the smallest unit of an element that retains all properties of the element.
7 0
3 years ago
Is shredding paper a physical change
AVprozaik [17]

Answer:

yes

Explanation:

it is not changing the chemical composition of paper, just the physical form. plz mark me brainliest

7 0
3 years ago
Read 2 more answers
A microwave oven operates at 2.60 GHz. What is the wavelength of the radiation produced?
Mrrafil [7]
Speed of light = freq * wavelength 
<span>wavelength = speed of light / freq = (3*10^8 m/sec ) / (2.6 * 10^9 /sec) = 1.15 * 10^(-1) m </span>
<span>1.15 * 10^(-1) m *(10^9 nm / m) = 1.15 * 10^8 nm</span>
4 0
3 years ago
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