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My name is Ann [436]
2 years ago
10

(reply w the answer or get reported) Ty if you answer this​

Chemistry
1 answer:
Dimas [21]2 years ago
3 0

Answer:

D. 34.5g

Explanation:

Using the following formula to calculate the mass of 1.5moles of sodium (Na);

Mole = mass/molar mass

Molar mass of Na = 23g/mol

mass = mole × molar mass

Mass of Na = 1.5mol × 23g/mol

Mass of Na = 34.5g

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4 0
3 years ago
Cl2(g) + 2kBr(s) ---> 2KCl(s) + Br2(g) Rewrite the equation and write the color of each chemical under its name. 2. What type
kolezko [41]

Answer:

Cl2(g) (green/yellow mix) + 2KBr(s) (white) ---> 2KCl(s) (violet) + Br2(g) (reddish brown)

This chemical reaction is a redox type.

Explanation:

Look at the oxidation state, when the number increase your element gets oxidated, when the number decrease, the elements it's getting reduced.

8 0
3 years ago
What is the abrviation of the element gold on the periodic table.
Natalka [10]

Au is the abbriviation


Hope this helps Buddy!


- Courtney

6 0
3 years ago
Read 2 more answers
How many moles of CCI are there in 78.2 g of CCI.?
vaieri [72.5K]

Answer:

0.508 mole

Explanation:

NOTE: Since no hydrogen is attached to the compound given in question above, it means the compound is CCl₄.

The number of mole present in 78.2 g of CCl₄ can be obtained as follow:

Mass of CCl₄ = 78.2 g

Molar mass of CCl₄ = 12 + (35.5×4)

= 12 + 142

= 154 g/mol

Mole of CCl₄ =?

Mole = mass / molar mass

Mole of CCl₄ = 78.2 / 154

Mole of CCl₄ = 0.508 mole

Therefore, 0.508 mole is present in 78.2 g of CCl₄

6 0
2 years ago
What is potential energy?
pantera1 [17]

Answer:

A. stored energy

Explanation:

potential energy is stored energy.

kinetic energy is the energy of motion

7 0
2 years ago
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