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mafiozo [28]
3 years ago
11

Calculate the specific heat of a metal if 1,270 joules of heat were released when 256 grams of metal cooled 5.8°C.

Chemistry
1 answer:
kolbaska11 [484]3 years ago
3 0
Hi the answer is “a”
Hope this helps
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Which of the following statements about benzene is true? Multiple Choice
fenix001 [56]

Answer: option a and d

Explanation:

Option A- Benzene undergoes substitution reaction

Example : benzene reacts with chlorine to form chlorobenzene, in the presence of Iron

(iii) chloride as a catalyst

C6H6 + Cl2 ---> C6H5Cl + HCl

Option D- Benzene also undergoes addition reaction

Example: benzene reacts with hydrogen , in the presence of nickel as a catalyst to form

cyclohexane

C6H6 + 3H2 ---> C6H12

Reasons why Option B isn't the answer

Although benzeme has degree of unsaturation but it's not five degree of unsaturation.

Benzene has 6 carbon atoms and 4 degrees of unsaturation (1 ring and 3 double

bonds).

If you work backwards and double the degrees of unsaturation you have 8 degrees of

unsaturation instead of 5.

Option C - Benzene isn't a saturated hydrocarbon

6 0
3 years ago
You drop an unknown substance that weighs 8.3g into a graduated cylinder with 6ml of water. The water rises to 8ml when you drop
valkas [14]

Answer:

<h3>The answer is 4.15 g/mL</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass of object = 8.3 g

volume = final volume of water - initial volume of water

volume = 8 - 6 = 2 mL

So we have

density =  \frac{8.3}{2}  \\

We have the final answer as

<h3>4.15 g/mL</h3>

Hope this helps you

7 0
3 years ago
Which of the following is the best name for CaF2?
Vladimir79 [104]
Calcium Flouride. It's an ionic bond. Cation + anion with the suffix -ide
8 0
3 years ago
Read 2 more answers
A chiral amine A having the R configuration undergoes Hofmann elimination to form an alkene B as the major product. B is oxidati
Free_Kalibri [48]

Answer:

The Structure of "B" is alkene.

Explanation:

The compound "A" having R- configuration  and undergoes Hofmann elimination to form an alkene.

The compound "B" on oxidatively cleaving with ozone followed by dimethyl sulfide forms CH_{2}=S and CH_{3}CH_{2}CH_{2}CHO

The structure of "A" and"B" is as follows.

3 0
3 years ago
3. How was the rainbow created by the light emitting from the flashlight?
Ede4ka [16]

Answer:

by nuclear reaction

Explanation:

3 0
3 years ago
Read 2 more answers
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