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MA_775_DIABLO [31]
2 years ago
12

The magnetic field of an object exerts a force on any magnetic object around it.

Chemistry
2 answers:
gladu [14]2 years ago
6 0
That’s isssssd true
nika2105 [10]2 years ago
3 0
I believe the answer is true
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Which of the following statements is(are) true? Oxidation and reduction
nika2105 [10]

Answer:

E

Explanation:

the answer will be A,C,and D

8 0
3 years ago
What type of wave DOES NOT require a medium? Electromagnetic wave or Mechanical wave?
Genrish500 [490]

Answer;

Electromagnetic wave

Explanation;

Electromagnetic waves are waves that do not require a material medium for transmission, they include, x-rays, gamma rays, visible light etc.

7 0
3 years ago
Read 2 more answers
If 50.0 g of KCl reacts with 50.0 g of O2 to produce KClO3 according to the following equation, how many grams of KClO3 will be
Sliva [168]

Answer:

A. 82.2g of KClO3

B. Word equation:

50g of KCl react with 50g of O2 to produce 82.2g of KClO3

C. Formula equation:

2KCl + 3O2 —> 2KClO3

Explanation:

The balanced equation for the reaction. This is given below:

2KCl + 3O2 —> 2KClO3

Next, we shall determine the masses of KCl and O2 that reacted and the mass of KClO3 produced from the balanced equation. This is illustrated below:

Molar Mass of KCl = 39 + 35.5 = 74.5g/mol

Mass of KCl from the balanced equation = 2 x 74.5 = 149g

Molar Mass of O2 = 16x2 = 32g/mol

Mass of O2 from the balanced equation = 3 x 32 = 96g

Molar Mass of KClO3 = 39 + 35.5 + (16x3) = 122.5g/mol

Mass of KClO3 from the balanced equation = 2 x 122.5 = 245g

Summary:

From the balanced equation above:

149g of KCl reacted.

96g of O2 reacted.

245g of KCl were produced.

Next, we shall determine the limiting reactant. This is illustrated below:

From the balanced equation above,

149g of KCl reacted with 96g of O2.

Therefore, 50g of KCl will react with = (50 x 96)/149 = 32.21g of O2.

Since a lesser mass of O2 ( i.e 32.21g) than what was given (i.e 50g) is needed to react completely with 50g of KCl, therefore, KCl is the limiting reactant and O2 is the excess reactant.

A. Determination of the mass of KClO3 produced from the reaction.

In this case the limiting reactant will be used.

From the balanced equation above,

149g of KCl reacted To produce 245g of KClO3.

Therefore, 50g of KCl will react to produce = (50 x 245)/149 = 82.2g of KClO3.

Therefore, 82.2g of KClO3 is produced from the reaction.

B. Word equation:

50g of KCl react with 50g of O2 to produce 82.2g of KClO3.

C. Formula equation:

2KCl + 3O2 —> 2KClO3

4 0
3 years ago
Are Blu E-cigs better for you than marijuana?
tester [92]

Scientifically no, the chemicals in Blu e-cigs are harmful to your lungs as any vapor is, however the smoke from "Grass" has been shown to stop seizures and heart-attacks, and some unbiased proof is that my grandmothers neighbor had a child who has seizures at random, up till the age of 6 she was having these seizures everyday and at one point was stuck in the hospital, now this young girl moved to Colorado and started taking Marijuana on a regular, in edible or oil form and today she has no seizures except for every 2-3 months so to finally answer, no ecigs are not healthier

7 0
3 years ago
Read 2 more answers
For the galvanic cell reaction, expressed below using shorthand notation, what half-reaction occurs at the cathode?
Oxana [17]

Answer:

D

Explanation:

In considering the half cell reactions in electrochemical cells, we consider the standard electrode potential of the two half cells. The more negative electrode potential will be the anode and the less negative electrode potential will be the cathode. The electrode potentials of Ni2+(aq)/Ni(s) is -0.25V while that of Zn2+(aq)/Zn(s) is -0.76.

Hence the selected option is the cathodic half reaction equation

3 0
3 years ago
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