3 years ago

Balancing Equations

1 answer:

5 0

This is going to take a while..

1. 2AgI + Na2S --> Ag2S + 2NaI

2. Na3PO4 + 3HCl --> 3NaCl + N3PO4

3. Ba3N2 + 6H2O --> 3Ba(OH)2 + 2NH3

4. TiCl4 + 2H2O --> TiO2 + 4HCl

5. 3CaCl2 + 2Na3PO4 --> Ca3(PO4)2 + 6NaCl

6. 2NaBr + Cl2 --> 2NaCl + Br2

7. Mg(OH)2 + 2HCl --> MgCl2 + 2H2O

Hopefully that helps.

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A boy swings a rubber ball attached to a string over his head in a horizontal, circular path. The piece of string is 1.15 m long

gregori [183]

Answer:

v = 16.49 m/s

Explanation:

Given that,

Length of the string, l = 1.15 m

The ball makes 137 complete turns each minute.

We know that, 1 turn = 6.28 rad

137 turns = 860.79 rad

1 min = 60 s

$\omega=\dfrac{860.79\ rad}{60\ s}\\\\=14.34\ rad/s$

We need to find the tangential velocity of the ball. It can be given by

$v=r\omega\\\\=1.15\times 14.34\\\\v=16.49\ m/s$

So, the tangential velocity of the ball is 16.49 m/s.

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3 years ago

(08.02 MC)

lesantik [10]

Answer:

d. 0.208 M NaOH

Explanation:

M[NaOH] = 23+16+1= 40g/mol

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M=m/Mv

M=20.0g/40g/mol×2.4dm3

M=20.0g ÷ 96

M= 0.208 M NaOH

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3 years ago

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Murrr4er [49]

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3 years ago

What is the mass of 8 moles of Fe2O3?

viva [34]

Answer: 688 grams

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2 years ago

What is the ph of 0.1 m naoh solution??

Rudik [331]

NaOH is a strong base so pH will be around 13 to 12. Whatever number of moles of NaOH you have approximately the pH of NaOH will be around 14 13 or 12

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3 years ago