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Inessa [10]
3 years ago
8

Please help me :) ;0 :3

Chemistry
2 answers:
balandron [24]3 years ago
6 0
C because opening switch 1 will because the circuit connecting the green bulb, bell, and battery will be broken
Firdavs [7]3 years ago
4 0
The answer is C. If u want to know how just ask.
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Which phrase describes a plateau?
Rina8888 [55]

Answer:

I think it's surface cut by streams

8 0
3 years ago
Read 2 more answers
A NaOH solution is standardized using the monoprotic primary standard potassium hydrogen phthalate, KHP (204.22 g/mol.) If 0.698
kakasveta [241]

Answer:

0.07789 M is the sodium hydroxide concentration.

Explanation:

Mass of potassium hydrogen phthalate = 0.6986 g

Molar mass of potassium hydrogen phthalate = 204.22 g/mol

Moles of  potassium hydrogen phthalate = \frac{0.6986 g}{204.22 g/mol}=0.003421 mol

NaOH+KHP\rightarrow NaKP+H_2O

According to reaction , 1 mole og KHp reactswith 1 mole of NaOH , then 0.003421 moles of KHp will react with :

\frac{1}{1}\times 0.003421 mol=0.003421 mol

Moles of NaOH = 0.003421 mole

Volume of NaOH solution = 43.92 ml = 0.04392 L ( 1 mL = 0.001L)

Concentration=\frac{Moles}{Volume(L)}

Concentration of NaOH :

\frac{0.003421 mol}{0.04392 L}=0.07789 M

0.07789 M is the sodium hydroxide concentration.

5 0
3 years ago
True / False: Chromium and nickel cannot be added to steel to harden it.
harina [27]

Answer:

big roux

Explanation:

heres the answer flimflam.shop

7 0
3 years ago
Please answer each thank you
liubo4ka [24]

Answer:

Properties of Metals:      

- Shiny

-Malleable

-Good Conductors of electric current

- Good conductors of heat

Properties of Non-metals:

- Dull

- Not Malleable

- Bad conductors of electric current but good electric insulators

- Poor conductors of heat

Note: The first dash for the Properties of metals goes with the first dash of Properties of Non-metals and so on.

3 0
4 years ago
Do anybody knows this I need help asap
Elza [17]

Transform is the answer and also to save you points search the question on here before you ask it because this question has been asked and answered.


6 0
3 years ago
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