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Akimi4 [234]
3 years ago
11

Which statement about electric charge is true? A. Electric charge is created by an electric current. B. Electric charge influenc

es whether objects attract or repel one another. C. Electric charge tends to be neutral in the nuclei of atoms. D. Electric charge will increase with an increase in temperature.
Chemistry
1 answer:
Anni [7]3 years ago
4 0

Answer:

A

Explanation:

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For the following reaction, identify the element that was oxidized, the element that was reduced, and the reducing agent. Give a
Galina-37 [17]
The element oxidized is the element in which the charge becomes more positive after the reaction, hence the reducing agent. The element that is reduced is the element or compound in which the charge becomes more negative after the reaction. Sn becomes +4 from +2. Hence Sn is the reduced element while Pb becomes +2 from +4 hence Pb is the element oxidized and PbCl4 is the reducing agent.
3 0
3 years ago
Write the detailed structure of<br><br> A. C2H6 B. C4H10 C. C6H14 D. C7H16
STALIN [3.7K]

A.

H₃C-CH₃

this is called ethane

B.

H₃C-CH₂-CH₂-CH₃

this is called butane

C.H₃C-CH₂-CH₂-CH₂-CH₂-CH₃

this is called hexane

D.

H₃C-CH₂-CH₂-CH₂-CH₂-CH₂-CH₃

this is called heptane

8 0
3 years ago
Read 2 more answers
Calculate the pH of a solution of 0.0050M H2SO4.
Mice21 [21]
Calculate the Ag+ ion concentration in a saturated solution of Ag2CO3 Ksp=8.1X10^-12

Calculate the pH of a buffer solution that is 1.00 M CH3COOH (acetic acid) and 2.00 M CH3COONa (sodium acetate, a salt) Ka=1.8X-5

The mineral fluorite is composed of CAF2. The molar solubility of calcium fluoride in water is 2.1X106-4
moles/L. what is the Ksp of CaF2?

what ratio of benzoate ion to benzoic acid would be required to prepare a buffer with a pH of 7.20?
Ka(C6H5COOH)=6.5X10-5
4 0
3 years ago
Metric conversions.<br> Please help ASAP.
lesya692 [45]

Answer:

14. 13.2cg = 1.32dg

15. 3.8m = 0.0038km

16. 24.8L = 24800mL

17. 0.87kL = 870L

18. 26.01cm = 0.0002601km

19. 0.001hm = 10cm

Explanation:

14. 13.2/10 = 1.32

15. 38/1000 = 0.0038

16. 24.8(1000) = 24,800

17. 0.87(1000) = 870

18. 26.01/100000 = 0.0002601

19. 0.001hm(10000) = 10

An easy way to do these by yourself is to familiarize yourself with what each prefix means. Once you do this, you can multiply the value of the prefix when converting from a smaller unit of measurement to a larger one and divide the value of the prefix when converting from a large unit of measurement to a smaller one.

7 0
3 years ago
What is the atomic symbol for lead?
ohaa [14]

Answer:

Pb

Explanation:

7 0
3 years ago
Read 2 more answers
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