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Papessa [141]
3 years ago
7

HELP! WILL MARK BRAINLIEST! ASAP!!

Chemistry
1 answer:
lilavasa [31]3 years ago
8 0

Answer:

Mn is a Paramagnetic

Explanation:

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How many grams of Chromium(III) nitrate are produced when Chromium reacts with 0.85 moles of Lead(IV) nitrate to produce chromiu
mina [271]

Grams of Chromium(III) nitrate produced : 268.95 g

<h3>Further explanation</h3>

Given

0.85 moles of Lead(IV) nitrate

Required

grams of Chromium(III) nitrate

Solution

Reaction

Balanced equation :

<em>2Cr₂ + 3Pb(NO₃)₄ ⇒ 4Cr(NO₃)₃ + 3Pb </em>

From the equation, mol ratio of Pb(NO₃)₄  : Cr(NO₃)₃ = 3 : 4, so mol Cr(NO₃)₃

mol Cr(NO₃)₃ =

\tt \dfrac{4}{3}\times 0.85=1.13

Mass of Chromium(III) nitrate (MW=238.0108 g/mol) :

mass = mol x MW

mass = 1.13 x 238.0108

mass = 268.95 g

7 0
3 years ago
Chemical and physical element properties are determined by their valence electrons. How do you describe metals with only one val
Y_Kistochka [10]

Answer:

B

Explanation:

7 0
3 years ago
What do strong and weak acids have in common?
Natali5045456 [20]

Answer:

All the above

Explanation:

A. Electrical current conduction

Aqueous solutions of both strong and weak acids will conduct an electric current. Weak acids are poorer conductors because they produce fewer ions.

B. Reaction with magnesium

Both strong and weak acids will react with magnesium, although weak acids will react more slowly.

C. pH paper test

Both strong and weak acids will give a colour with pH test paper, although the colours will probably be different.

D. Litmus paper test

Both strong and weak acids will turn blue litmus red.

4 0
4 years ago
Read 2 more answers
When a person pushes off a wall with 15N of force,how much force does the wall push back
aivan3 [116]
Newton's third law of motion states that for every action force, there is an equal and opposite reaction force so that means that the wall is pushing you with the same amount of force that you put on it.
5 0
4 years ago
Which terms describe a substance that has a low melting point and poor electrical conductivity?
lilavasa [31]
(2) Dull and brittle.
6 0
3 years ago
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