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gayaneshka [121]
3 years ago
14

Which describes the motion in a convection currentl

Chemistry
1 answer:
Y_Kistochka [10]3 years ago
4 0

Answer:

circular motion

Explanation:

It is circular motion because because it is always moving and it is moving in a circular motion as stated. In other words, the energy of a convection current is constantly in motion. Message me if you have any more questions :) I’m always free and I will answer you ASAP! :D toodles ~

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How many grams are in .11 moles of Cu
kodGreya [7K]

Answer:

m= 6.9905 = 7 g

Explanation:

The formula is m= M.n

m= mass (g), M= Molar mass (g/mole), n= moles (moles)

Molar mass of Cu is 63.55

=) m= 63.55*0.11

   m= 6.9905 = 7 g

5 0
3 years ago
What does the specific heat for a substance indicate?
o-na [289]

O the amount of heat required to increase the temperature of 1 gram by 1°C

Explanation:

The specific heat of a substance is the amount of heat required to increase the temperature of 1 gram of a substance by 1°C. It is an intensive property that is specific to every substance.

The unit is given as J/g⁻¹°C⁻¹ or J/g⁻¹K⁻¹

This related to the quantity of heat using the expression below:

             Q = mC∅

Q is the quantity of heat added

m is the mass

C is the specific heat

∅ is the temperature change.

Learn more:

specific heat brainly.com/question/7210400

#learnwithBrainly

7 0
3 years ago
An ionic bond can be formed between
mash [69]
Ionic bonds are strong electrostatic forces of attraction formed between oppositely charged ions (between metal and non-metals)
6 0
4 years ago
Read 2 more answers
When copper metal is affed to silver nitrate in solution, silver metal and copper (II) nitrate are produced. Use the balanced eq
trapecia [35]
<h2>Answer:</h2>
  • Cu(s) + 2AgNO3(aq) → Cu(NO3)2(aq) + 2Ag(s).

<u>Moles Cu present</u> = 100g Cu x 1 mol Cu/63.55g

= 1.574moles Cu

<u>Mass of Ag produced</u> = 1.574mol Cu x 2mol Ag / 1mol Cu x 107.9g Ag/mol Ag

= 340.g Ag

6 0
3 years ago
The vapor pressure of pure acetone is 266 torr. When a non-volatile solute is added, the vapor pressure of acetone above the sol
mixas84 [53]

Answer : The mole fraction of the non-volatile solute in the solution is 0.195

Explanation :

According to the relative lowering of vapor pressure, the vapor pressure of a component at a given temperature is equal to the mole fraction of that component of the solution multiplied by the vapor pressure of that component in the pure state.

Formula used :

\frac{\Delta p}{p^o}=X_B

\frac{p^o-p_s}{p^o}=X_B

where,

p^o = vapor pressure of the pure solvent (acetone)  = 266 torr

p_s = vapor pressure of the solution = 214 torr

X_B = mole fraction of solute  = ?

Now put all the given values in the above formula, we get:

\frac{p^o-p_s}{p^o}=X_B

\frac{266-214}{266}=X_B

X_B=0.195

Therefore, the mole fraction of the non-volatile solute in the solution is 0.195

4 0
3 years ago
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