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nydimaria [60]
2 years ago
10

Explain how a sedimentary rock forms. Include all the words in the chart.

Chemistry
1 answer:
Novay_Z [31]2 years ago
3 0

Answer:

Clastic sedimentary rocks are made up of pieces (clasts) of pre-existing rocks. Pieces of rock are loosened by weathering, then transported to some basin or depression where sediment is trapped. If the sediment is buried deeply, it becomes compacted and cemented, forming sedimentary rock.Apr 4, 2017

Explanation:

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Which ionic equation for reaction of Magnesium with dilute hydrochloric acid is correct? Mg (s) + 2H+ (aq) â Mg2+ (aq) + H2 (g)
belka [17]

Answer:

Mg(s) + 2H⁺(aq) ⟶ Mg²⁺(aq) + H₂(g)  

Explanation:

A net ionic equation shows all the ionic substances as ions and shows the correct state of each substance.

B. is wrong. HCl ionizes in aqueous solution into H⁺ and Cl⁻.

C. is wrong. Mg²⁺ is not a solid. It is an aqueous ion.

D. is wrong. The equation needs 2H⁺(aq) to be balanced.

6 0
3 years ago
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Give the term for the temperature at which the gas and liquid phases form a supercritical fluid:__________
Ber [7]

Answer: option C. Critical temperature

Explanation:

5 0
3 years ago
A mixture is always made up of a combination of elements
Ira Lisetskai [31]
Yeah, it's diffferen than a solution.

What would it be if it were all the same element?
3 0
2 years ago
Calculating the volume of 0.05mol/dm3 KOH is required to neutralise 25.0cm3 of 0.0150mol/dm3 HNO3
kvasek [131]

Answer:

You first need to construct a balanced chemical equation to describe the reaction:

KOH + HNO3 ---------> KNO3 + H2O

Work out the no. moles of HNO3 being neutralized:

Moles = Volume x Concentration = (25/1000) x 0.0150 = 0.000375 moles

From the balanced equation the molar ratio of KOH to HNO3 is 1:1 so you also need 0.000375 moles of KOH to neutralise the nitric acid

Now you can work out the volume of KOH required:

Volume = Moles/Concentration = (0.000375)/0.05 = 0.0075 dm^3 = 7.5 cm^3

8 0
3 years ago
Emma strikes a match and sets some logs on fire. As the fire burns, which two forms of energy are released?
Ivanshal [37]

Answer:

Explanation:

There are changes in the chemical composition of the word.

There's light energy given off.

There's heat energy given up.

7 0
2 years ago
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