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Liula [17]
3 years ago
11

What is a anemometer

Chemistry
1 answer:
spin [16.1K]3 years ago
3 0

Answer: it measures temperature

Explanation:

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How is reusable water bottles are more environmentally friendly than one use water bottle?
dexar [7]

Answer:

They are better because they are more usable than Plastic and reusable water bottles are better for the planet!

Explanation:

6 0
3 years ago
NH₄NO₃ → N₂O + 2H₂O When 45.70 g of NH₄NO₃ decomposes, what mass of each product is formed?
Anna007 [38]

Answer: 25.13 g of N_2O  and 20.56 g of H_2O will be produced from 45.70 g of NH_4NO_3

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}    

\text{Moles of} NH_4NO_3=\frac{45.70g}{80.04g/mol}=0.571moles

The balanced chemical equation is:

NH_4NO_3\rightarrow N_2O+2H_2O  

According to stoichiometry :

1 mole of NH_4NO_3 produce = 1 mole of N_2O

Thus 0.571 moles of NH_4NO_3 will require=\frac{1}{1}\times 0.571=0.571moles  of N_2O  

Mass of N_2O=moles\times {\text {Molar mass}}=0.571moles\times 44.01g/mol=25.13g

1 mole of NH_4NO_3 produce = 2 moles of H_2O

Thus 0.571 moles of NH_4NO_3 will require=\frac{2}{1}\times 0.571=1.142moles  of H_2O  

Mass of H_2O=moles\times {\text {Molar mass}}=1.142moles\times 18g/mol=20.56g

Thus 25.13 g of N_2O  and 20.56 g of H_2O will be produced from 45.70 g of NH_4NO_3

5 0
3 years ago
Which of the following is an example of a chemical change?
bearhunter [10]
Wait what you answered your own question
6 0
3 years ago
Read 2 more answers
Not sure if my answers are even correct. i am so confused
Mamont248 [21]

Answer:

#3 is the percentage for sodium i believe and 4 is right

Explanation:

7 0
3 years ago
Which statement correctly describes electrochemical cells?
hoa [83]

Answer: C. Electrochemical cells involve oxidation-reduction reactions.

Explanation: Oxidation occurs at the anode, and reduction occurs at the cathode.

3 0
3 years ago
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