3 years ago

For the reaction at equilibrium 2so3 2so2 + o2 (dhºrxn= 198 kj/mol), increasing the reaction temperature would:

Chemistry

1 answer:

Mama L [17]3 years ago

6 0

Increase the delta H since it is already an endothermic reaction and would take in more energy aka heat

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Write the balanced equation of aluminium + copper chloride and ammonium chloride + copper

Scorpion4ik [409]

Answer:

2Al+3CuCl2=>3Cu + 2AlCl3

NH4Cl catalyses the oxidation of Cu

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3 years ago

You are given 10ml (M) 20 Naoh solution in a conical flask and asked to titrate with (M) 20 Hcl and (M) 20 H2so4 separately. cal

Solnce55 [7]

Answer:

$n_{HCl}=0.2molHCl\\n_{H_2SO_4}=0.1molH_2SO_4$

Explanation:

Hello!

In this case, since the reactions between NaOH and the acids are:

$NaOH+HCl\rightarrow NaCl+H_2O\\\\2NaOH+H_2SO_4\rightarrow Na_2SO_4+2H_2O$

Whereas we can see the 1:1 and 2:1 mole ratios between NaOH and HCl and H2SO4 respectively. In such a way, at the equivalence point we realize that:

$n_{HCl}=n_{NaOH}=V_{NaOH}M_{NaOH}=0.01L*20mol/L=0.2molHCl\\\\2n_{H_2SO_4}=n_{NaOH}\\\\n_{H_2SO_4}=\frac{1}{2} V_{NaOH}M_{NaOH}=\frac{0.01L*20mol/L}{2} =0.1molH_2SO_4$

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3 years ago

Which is a column running up and down in the periodic table?

Alja [10]

It is a period.....
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3 years ago

Read 2 more answers

A lab group of students is trying to determine whether a base qualifies as an Arrhenius base or a Bronsted-Lowry base. Which stu

kolbaska11 [484]

Answer:

Student 4, because a Brønsted-Lowry base always accepts a proton from an acid to form a conjugate acid.

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That's the definition of a Brønsted-Lowry base.

Student 2 is wrong. All bases will neutralize acids. That doesn't tell you the type of base.

Student 3 is wrong. The pH of a solution doesn't tell you the type of base.

Student 1 is wrong. Both Arrhenius and Brønsted-Lowry bases react with acids to produce water and a salt.

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3 years ago

As you move from N to Bi, the metallic properties of the element

inysia [295]

Answer:

b. decreases

Explanation:

i just took a test on it

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3 years ago