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sergij07 [2.7K]
3 years ago
6

Please helpp me i really need help​

Chemistry
2 answers:
Monica [59]3 years ago
6 0
5 minutes. 2 degree change
10 minutes. 5 degree change
20 minutes. 8 degree change
vagabundo [1.1K]3 years ago
4 0

Answer:

second box is 2 C, third box is 3 C, and the last box is 3 C.

Explanation:

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Pls answer this I will mark u as the brainliest...what is the formula of sodiam carbonate ​
kodGreya [7K]

Explanation:

Sodium Carbonate = Na2CO3

Hope it helps ya

8 0
3 years ago
Read 2 more answers
What happens when you put magnesium carbonate and diluted water
Rina8888 [55]

Answer:

Magnesium carbonate doesn't dissolve in water, only acid, where it will effervesce (bubble).

Explanation:

 An insoluble metal carbonate reacts with a dilute acid to form a soluble salt. Magnesium carbonate, a white solid, and dilute sulfuric acid react to produce magnesium sulfate. Colourless magnesium sulfate heptahydrate crystals are obtained from this solution.

8 0
3 years ago
How many milliliters of 0.0630 m edta are required to react with 50.0 ml of 0.0110 m cu2 ?
gizmo_the_mogwai [7]
Moles Cu+2 = M * V
                     =  0.05 L * 0.011  m
                     = 0.00055 moles

when the molar ratio of Cu2+: EDTA = 1:1 so moles od EDTa also =0.00055 moles

and when the Molarity of EDTa = 0.0630 M

∴ Volume of EDTA =  moles / Molarity
                 = 0.00055 / 0.0630
                 = 0.0087 L = 8.7 L
4 0
3 years ago
How many milliseconds are there in 3.5 seconds
maw [93]
There are 3,500 milliseconds in a second.

One second contains 1,000 milliseconds. Three seconds contain 3,000 milliseconds. Half of three hours, therefore, would contain 3,500 milliseconds.
6 0
3 years ago
How many electrons in a ground-state As atom in the gas
LenaWriter [7]

Answer:

One electron is the answer if you need work i can show

3 0
4 years ago
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