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Ymorist [56]
3 years ago
12

Pls help!!plz answer correctly!will give the brainliest!Urgent!!​

Chemistry
2 answers:
blagie [28]3 years ago
7 0

a)

A: Copper

B: CuO

C: \mathrm{CuSO_4}

D: $\mathrm{CuCO_3}$

E: $\mathrm{CO_2}$

F: $\mathrm{Cu(NO_3)_2}$

b)

$\mathrm{CuO+ H_2SO_4}\rightarrow \mathrm{CuSO_4 + H_2O}$

c)

$\mathrm{CuCO_3+ 2HNO_3}\rightarrow \mathrm{Cu(NO_3)_2+ CO_2+ H_2O}$

daser333 [38]3 years ago
5 0
Yes listen to the perosn on top yes yes
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How do planets with larger masses apply greater gravitational forces on objects compared to planets with less mass?
natta225 [31]

Answer:

more massive objects will attract each other with a greater gravitational force. So as the mass of either object increases, the force of gravitational attraction between them also increases.

4 0
3 years ago
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When was George Washington president​
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From 30 April 1789 to 4 March 1797
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4 years ago
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Lead(II) sulfide, PbS, reacts with oxygen gas to produce lead(II)oxide and dioxide. If 0.500 moles of O2 were consumed using thi
Andreas93 [3]
I think you mean:
".. reacts with oxygen gas to produce lead (II) oxide and 'sulfur' dioxide..."

The balanced chemical reaction would be
2PbS + 3O2 --> 2PbO + 2SO2

The stiochiometric ratio is this: 3 moles of O2 produces 2 moles of lead (II) oxide. So,

0.500 moles (2/3) = 0.333 moles

Therefore, 0.333 moles of PbO is produced when 0.500 moles of O2 reacts with PbS.
5 0
3 years ago
What is the velocity of a 485 kg elevator that has 5900 J of energy?
Ganezh [65]

The velocity of a 485 kg elevator that has 5900 J of energy is 108.6 m/s

<h3>What is the velocity of the elevator?</h3>

A moving elevator possesses kinetic energy due to its motion.

The velocity of the elevator is calculated from the formula of kinetic energy.

The kinetic energy formula is : Kinetic energy = ¹/₂mv₂

The velocity, v = √2KE/m

v = √(2 * 5900/485)

v = 108.6 m/s

In conclusion, the velocity of the elevator is calculated from the kinetic energy and mass of the elevator.

Learn more about velocity and kinetic energy at: brainly.com/question/25959744

#SPJ1

7 0
2 years ago
To convert liters of CO2 to moles of CO2, what conversion factor would it be?
MArishka [77]

22.4L.

This is because the standard conversion factor for Liters is 22.4 and in the question it explicitly states liters of CO2.

Therefore, in order to convert Liters of CO2 to Moles of CO2, you'd need to use the conversion factor of 22.4.

Hope this helps!

3 0
3 years ago
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