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Annette [7]
3 years ago
12

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Write word equations for the following reactions:

1: hot copper metal reacts with chlorine gas to form solid green copper chloride.

2: non-metal carbon burns in oxygen gas to form only carbon dioxide gas.​
Chemistry
2 answers:
Kisachek [45]3 years ago
5 0

Explanation:

when hot copper metal reacts with chlorine gas it forms CuCl2 which is yellow in colour.

non metal carbon burns in Oxygen gas they form non metal oxide.

Assoli18 [71]3 years ago
4 0

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Alex777 [14]

Answer:

I'm not 100% sure but I think it is b I'm not great with math tho

6 0
3 years ago
Calculate the molar mass of a compound if 0.372 mole of it has a mass of 152g​
Snowcat [4.5K]

Answer:

409 g/mol

Explanation:

you divide the mass by the moles to get the molar mass

5 0
3 years ago
Calculate the temperature change that occurs when 254 cal of heat are added to 24 g of water
Tomtit [17]
Hey

Calculate the temperature change that occurs when 254 cal of heat are added to 24 g of water
answer:  800
3 0
3 years ago
What is N? (Needed electrons)
lianna [129]
Do you know what is meant by needed? does it mean lone pairs?
8 0
3 years ago
150 ml of 0.1 m naoh is added to 200 ml of 0.1 m formic acid, and water is added to give a final volume of 1 l. what is the ph o
N76 [4]

Number of moles of NaOH = V(NaOH) * M(NaOH)= 0.150 L * 0.1 moles/L = 0.015 moles

Number of moles of formic acid, HCOOH = V(HCOOH) * M(HCOOH) = 0.200 L * 0.1 moles/L = 0.020 moles

Here, the limiting reagent is NaOH

The reaction is represented as:

HCOOH + NaOH ↔HCOONa + H2O

Moles of HCOONa formed = Moles of the limiting reagent, NaOH = 0.015 moles

Moles of HCOOH remaining = 0.020-0.015 = 0.005 moles

Total final volume is given as 1 L

Therefore: [HCOOH] = 0.005 moles/1 L = 0.005 M

[HCOONa] = 0.015/1 = 0.015 M

pKa of HCOOH = 3.74

As per Henderson-Hasselbalch equation

pH = pka + log[HCOONa]/[HCOOH] = 3.74+log[0.015/0.005] = 4.22

Therefore, pH of the final solution = 4.22


                       


3 0
3 years ago
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