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mina [271]
3 years ago
6

Jack tries to place magnets on his refrigerator at home, but they won’t stick. What could be the reason?

Chemistry
1 answer:
kipiarov [429]3 years ago
4 0

Answer:

The body of the refrigerator isn’t made of magnetic material.

Explanation:

Same reason why a magnet doesn't stick to a paper or a plastic is the reason behind why Jack's refrigerator is acting out because may be it isn't made of magnetic materials like iron, steel etc, but rather made up of non magnetic things like porcelain, wood etc.

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Definition of the word derived?
FromTheMoon [43]

Answer:

obtain something from (a specified source).

Explanation:

6 0
4 years ago
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Metric conversion 125 mg = _______kg
Romashka [77]

0.000125

Explanation:

if you remember King Henry Died Drinking Chocolate Milk= K H D & D C M

find what your converting to and move the decimal that many times in that direction.

3 0
3 years ago
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HELP ASAP!!!!! milk of magnesia has the chemical formula Mg(OH)2. what is the mass of 3.2 moles of milk of magnesia? the molar m
Marysya12 [62]
Mg(OH)2

Mg: 1
O: 2
H: 2

Mg. O H
24.3g 32g. 2

58.3g in 1 mol of Mg(OH)2

3.2mol of Mg(OH)2 x 58.3g of Mg(OH)2
-------------------------
1 mol of Mg(OH)2

= 186.56 g of Mg(OH)2 in 3.2 mols of Mg(OH)2
4 0
4 years ago
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As a person BAC level increase it becomes difficult for them to judge their vehicle distances and speed
Eddi Din [679]

Answer:

TRUE

Explanation:

The blood alcohol content is also known as the blood alcohol level or the blood alcohol concentration. It is defined as the measurement of the alcohol intoxication in the body and is used for the legal or the medical purposes.

When the BAC increases in the person's body, the person started to loose clear vision, loss of short term memory, poor muscle coordination,  impaired perception and face difficulty in concentrating. Thus it becomes very difficult for a person to drive a car or ride a bike whose BAC has increased.

The driver cannot properly judge the distances between the vehicle and the speed of the vehicle.

Hence the answer is TRUE.

8 0
3 years ago
An ideal gas described by Ti=291K, Pi=1.50bar, and Vi=13.3L is heated at constant volume until P=15.0bar. It then undergoes a re
Salsk061 [2.6K]

Answer:

W=-4601.4J

Explanation:

Hello,

In this case, the steps are:

291K,1.50bar, 13.3L \rightarrow 15.0bar 13.3L,T_2\rightarrow T_2, V_2, 1.50bar\rightarrow 291K,1.50bar, 13.3L

In such a way, the work per mole (w) for that isothermal process turns out:

w=RTln(\frac{P_1}{P_2} )=8.314\frac{J}{mol*K}*291K*\frac{1.50bar}{15.0bar} \\\\w=-5570.8\frac{J}{mol}

In addition, if the moles are required, since it is an ideal gas:

n=\frac{PV}{RT}=\frac{1.50bar*13.3L}{0.083\frac{bar*L}{mol*K}*291K} =0.826mol

So the work is:

W=-5570.8\frac{J}{mol} *0.826mol=-4601.4J

Best regards.

8 0
3 years ago
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