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max2010maxim [7]
3 years ago
9

Which best describes the difference between radiation and conduction? (1 point)

Chemistry
1 answer:
NNADVOKAT [17]3 years ago
6 0

Answer:

B) Conduction requires two objects to be in physical contact.

Explanation:

Conduction is when two objects are directly touching each other. So, the objects must come in physical contact with each other.

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Does anyone know how to do this ??
lord [1]

Answer:

Look at your periodic table

Explanation:

It tells you everything like Potasium 1 and 1 ox and 1 hydrogen

7 0
3 years ago
Сульфат железа (II) окисляется в кислой среде перманганатом калия до Fe2(SO4)3, т.е. окисляется. Запишите и приравняйте уравнени
SOVA2 [1]

Answer:

Sorry for disrespecting you but i don't know your language. I want to help but my problem is your language IM SO SORRY

5 0
3 years ago
Is melting sugar a chemical or physical change? Please provide an explanation
liraira [26]

Answer:

Hola Amigo! Here's Ur Answer :D

Explanation:

The chemical reaction we are most familiar with is that of melting: sugar decomposes at a temperature ranging between 184 and 186°C. This is a very recent discovery we owe to a team of researchers in Illinois. Basically, when we heat sucrose gently, this produces a phenomenon known as “ apparent melting ”.

Happy to Help! :D

3 0
3 years ago
Read 2 more answers
Why are group 1 elements more reactive than group 2 elements?
kaheart [24]
Less reactive than Group<span> I </span>elements<span>. The reasoning for this is because it is </span>more<span> difficult to lose two electrons compared to losing just </span>one<span> electron. They mostly React with water to form alkaline solutions. ...Now This is because the smaller an atom the closer the outer electrons are to the nucleus.</span>
3 0
3 years ago
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What is the stoichiometric ratio between BaCl2 and NaCl
bixtya [17]
<span>BaCl2+Na2SO4---->BaSO4+2NaCl There is 1.0g of BaCl2 and 1.0g of Na2SO4, which is the limiting reagent? "First convert grams into moles" 1.0g BaCl2 * (1 mol BaCl2 / 208.2g BaCl2) = 4.8 x 10^-3 mol BaCl2 1.0g Na2SO4 * (1 mol Na2SO4 / 142.04g Na2SO4) = 7.0 x 10^-3 mol Na2SO4 (7.0 x 10^-3 mol Na2SO4 / 4.8 x 10^-3 mol BaCl2 ) = 1.5 mol Na2SO4 / mol BaCl2 "From this ratio compare it to the equation, BaCl2+Na2SO4---->BaSO4+2NaCl" The equation shows that for every mol of BaCl2 requires 1 mol of Na2SO4. But we found that there is 1.5 mol of Na2SO4 per mol of BaCl2. Therefore, BaCl2 is the limiting reagent.</span>
7 0
3 years ago
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