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seropon [69]
3 years ago
14

What causes the energy transformation that occurs when the brake pads on a bicycle

Chemistry
1 answer:
makkiz [27]3 years ago
5 0
Your answer would be D friction.
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If molten sodium chloride is split by electrolysis, which reaction occurs at the anode?
mariarad [96]

Answer: 2Cl^-(l)\rightarrow 2e^-+Cl_2(g)

Explanation:

Electrolysis of a subastance is breaking it into its constituents by the action of electrical current.  

In the electrolysis of molten sodium chloride, sodium metal is produced at the cathode which is a negative electrode and chlorine gas produces as the anode which is a positive electrode.

2NaCl(l)\rightarrow 2Na^++2Cl^-

At anode : 2Cl^-(l)\rightarrow 2e^-+Cl_2(g)

At cathode : 2Na^+(l)+2e^-\rightarrow 2Na(l)

7 0
3 years ago
Read 2 more answers
Please help! Thanks in advance!
Alex_Xolod [135]

Where is ur question ⁉️

5 0
3 years ago
A 1.2 L weather balloon on the ground has a temperature of 25°C and is at atmospheric pressure (1.0 atm). When it rises to an el
natita [175]

Answer: 44.37 degrees C

Explanation:

Use combined gas law: (P1)(V1)/T1=(P2)(V2)/T2

For most gas laws, you  must convert to Kelvin:

K=deg C+273

K=25+273=298 K

Plug and chug:

(1.0 atm)(1.2 L)/(298 K)=(0.71 atm)(1.8 L)/(x)

Solve for x and get 317.37 K

Subtract 273 from this to convert to degrees Celsius. You will get 44.37 degrees Celsius.

If you want additional help in chemistry or another subject for FREE, check out growthinyouth.org

8 0
3 years ago
Verdadero o falso.
marusya05 [52]

Answer:

True

Ammonia reacts as a nucleophile with alkyl halides to give primary amines in a nucleophilic substitution reaction. Yields are often poor as the product, a primary amine, RNH2, is itself a nucleophile and can react with more alkyl

A nitrile is a compound that contains a –CN (cyano) functional group with a carbon-nitrogen triple bond. The simplest organic nitrile is CH3–CN and is called acetonitrile, which is a good solvent for organic reactions. ... Structurally diverse nitrile-containing compounds are present in many medicinal drugs.

7 0
3 years ago
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Describe two ways in which the gender based violence law protects citizens against human rights violations
Furkat [3]

Answer:

Gender based violence law protects citizens against human right violation. The laws protects mostly females due to them being the weaker gender and them being taken undue advantage.

The law protects females from raape and gives them an equal opportunity with the male gender in every aspect of life. They are protected against violence and genital mutilation.

3 0
4 years ago
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