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xz_007 [3.2K]
3 years ago
7

(PLEASE HELP ASAP!!!!!!)

Chemistry
2 answers:
goldenfox [79]3 years ago
4 0
D. The ability of a materiel to repel neutral charges and measured in ohms
svetlana [45]3 years ago
3 0

Answer:

A. How well a current will flow in a material and it's measured in volts.

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Which reaction follows the laws of conservation of matter
leonid [27]

It's the law! Matter cannot be created or destroyed in chemical reactions. This is the law of conservation of mass. In every chemical reaction, the same mass of matter must end up in the products as started in the reactants.

5 0
3 years ago
A changing magnetic field produces an electric field with open loop field lines.
Dimas [21]

Answer:

True

Explanation:

A changing magnetic field induces a current in a conductor. For example, if we move a bar magnet near a conductor loop, a current gets induced in it.

8 0
3 years ago
If the volume of 0.100M HCl delivered to 10.0mL of NaOH is 12.0mL the NaOH concentration is
iVinArrow [24]
<span>During neutralization reaction Milliequivalent of acid=milliequivalent of base. Milliequivalent of HCl=0.100*12*1 Milliequivalent of NaOH=M*10*1 So 0.100*12*1=M*10*1 Solve for M.</span>
3 0
3 years ago
If a gas at 25.0 °C occupies 3.60 liters at a pressure of 1.00 atm, what will be its volume at a pressure of 2.50 atm?
Greeley [361]

Answer:

1.44 L

Explanation:

Since 25 is constant it is no use. Now, rearrange the gas formula. You should get...

P1V1/T2=P2V2T1

Next, rearrange to fit the problem. You should get...

V2=P1V1/P2

Fill in our values and solve. You should get 1.44 L

We can check this by knowing that P and V at constant T have an inverse relationship. Hence, this is correct.

- Hope that helps! Please let me know if you need further explanation.

8 0
3 years ago
The molar ratio of HPO42- to H2PO4- in a solution is 1.4. Calculate the pH of the solution. Phosphoric acid (H3PO4) is a triprot
Bezzdna [24]

Given is the ratio of conjugate base and conjugate acid of phosphoric acid. pH of a substance is the concentration of the hydrogen ions in its solution and higher this concentration lower is the value of pH.

pKa value is a measure of the strength of acid, it is the negative log of acid dissociation constant Ka.

7 0
3 years ago
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