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4 years ago

12

Evaporation is ________. check all that apply. check all that apply. an endothermic process sometimes a warming process always a

cooling process sometimes a cooling process an exothermic process always a warming process

1 answer:

Neporo4naja [7]4 years ago

3 0

A cooling process and an exothermic process

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In a chemical reaction how does the mass of the products compare with the mass of the reaction a greater thenb less thenc equal

Neko [114]

D.) It depends cuz no yeild is 100%..I mean side reactions also occur in most of the reactions. So mass of the reactant is not equal to the mass of the product. Hope it helps

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4 years ago

A smoke sample contains dust particles and several different gases, which have different combinations of molecules. the dust par

Vsevolod [243]

The sample of smoke described above can be described as a heterogeneous mixture. This type of mixture do not have uniform properties and composition. So, getting a certain small sample would not represent the whole mixture since it does not have uniform composition.

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3 years ago

Which equation represents a neutralization reaction?

bulgar [2K]

Answer: Hello, there! your Answer is Below

The answer is letter C

Explanation:

A. 4Fe(s) + 3O2(g) → 2Fe2O3(s), 2H2(g) + O2(g) → 2H2O() and AgNO3(aq) + KCl(aq) → KNO3(aq) + AgCl(s) are not neutralization reaction.

Hope this Helps you!!!

Have a great day!!!

4 0

3 years ago

Read 2 more answers

What volume, in milliliters, of a 0.140 M solution of KCl contains 2.65 g of the compound?

marishachu [46]

Answer:

Calculate moles KCl: 2.55 g / 74.55 g/mol = 0.0342 moles KCl

Volume KCl = 0.0342 mol X (1 L/0.150 mol) = 0.228 L X 1000 mL/L = 228 mL

Explanation:

3 0

3 years ago

5. Fill in the boxes below with solid, liquid, or gas.

g100num [7]

Answer:

i would say liquid

Explanation:

8 0

3 years ago