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3 years ago

How are microwaves produced?

2 answers:

7 0

They are produced by vacuum tubes devices that operate on the ballistic motion of electron controlled by electric fields

Solnce55 [7]3 years ago

3 0

They are produced by energy

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Is this right ? if it’s wrong correct me

Dimas [21]

You can go to a website about that it will give you the answers

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3 years ago

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What state has the highest average speed limit on rural freeways

Daniel [21]

Answer:

wisconsin

Explanation:

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3 years ago

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What is the total number of atoms in l.0 mole of CO?

GarryVolchara [31]

If you are referring to to the molecule, CO, it contains two atoms , C1+O1

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3 years ago

Hey what's 10 & 11 y'all im dumb

lesya [120]

Answer:

10 is 2.89g/ml

11 in attachment

Explanation:

10. D=M/V

M=250G-120G=130G

V=75ML-30ML=45ML

D=130/45=2.89g/ml

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2 years ago

how many moles of sodium are present in a sample of sodium having a mass of 137 g? (molar mass is 23.0g)

vivado [14]

Answer:

5.95 moles

Explanation:

No of moles = given mass / molar mass

No of moles = 137/23

= 5.95 moles

7 0

3 years ago