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kicyunya [14]
2 years ago
11

Sprinter set in starting blocks at the beginning of a race rely on what kind of energy conversion

Chemistry
1 answer:
ale4655 [162]2 years ago
8 0
They convert chemical potential energy (stored in muscle cells) to kinetic energy (running)
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The density of ethanol is 0.789 g/mL. Calculate the volume of 600 g of ethanol.
Anettt [7]

Answer:

The answer is

<h2>760.46 mL</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

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

From the question

mass of ethanol = 600 g

density = 0.789 g/mL

It's volume is

volume =  \frac{600}{0.789}  \\  = 760.4562737...

We have the final answer as

<h3>760.46 mL</h3>

Hope this helps you

6 0
3 years ago
The density of a metal cube is 8 x103 kg/m3. Convert
Rom4ik [11]

Answer:

Explanation:

[peirod4

4 0
3 years ago
Give reasons that might help explain the following observations:
marin [14]

The Benzenesulfonic acid does not undergo Friedel-Crafts alkylation because of the deactivation of the compound by the  carboxylic group.

<h3>What is the Grignard reagent?</h3>

The Grignard reagent is a compound that contains alkyl magnesium halide.

a) The student will be  unsuccessful to prepare a Grignard reagent from 4-bromocyclohexanol because of the -OH group that reacts with the Grignard reagent when formed.

b) The Benzenesulfonic acid does not undergo Friedel-Crafts alkylation because of the deactivation of the compound by the  carboxylic group.

c) The compound (2S, 3R)- 2,3-Dibromobutane has a specific rotation, [a]D, 0⁰ because it is a meso compound.

d) This is because, the tertiary alkyl halide is more prone to elimination reaction giving the alkene.

e) This is because, the reaction may be occurring by an SN1 mechanism and the rate determining step is the formation of the carbocation.

Learn more about substitution reaction:brainly.com/question/16811879

#SPJ6

8 0
2 years ago
Read 2 more answers
Draw the Lewis structure, including unshared pairs, of the following molecules. Carbon has four bonds in the compound.
Galina-37 [17]

Explanation:

Refer to attachment.

  1. Propane
  2. Methanol (methyl alcohol)
  3. methyl fluoride
  4. ethyl fluoride

6 0
3 years ago
Poh of a solution with a ph of 5.00
creativ13 [48]

Answer:

9

Explanation:

14-5.=pOH

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

8 0
3 years ago
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