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xxMikexx [17]
2 years ago
9

How many varmints does it take to ruin a chemist's lawn

Chemistry
1 answer:
I am Lyosha [343]2 years ago
3 0
This was a riddle that has been included in a chemistry test.

The answer was a combination of letters that served as answers to previous questions.

How many varmints does it take to ruin a chemist's lawn? MOLES
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Which phrase describes the molecular structure and properties of two solid forms of carbon, diamond and graphite?(1) the same mo
vagabundo [1.1K]
I think the answer is (4) different molecular structures and different properties. Both structure are crystal. The structure of graphite is organized in layers. And structure of diamond is a strong network of atoms. Also due to the different structures, they have different properties.
4 0
2 years ago
For the reaction A+B↽−−⇀C+D, assume that the standard change in free energy has a positive value. Changing the conditions of the
77julia77 [94]

Explanation:

a. Adding a catalyst

no effect .( Catalyst can only change the activation energy but not the free energy).

b. increasing [C] and [D]

Increase the free energy .

c. Coupling with ATP hydrolysis

decrease the free energy value .

d.Increasing [A] and [B]

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2 years ago
An isotope undergoes radioactive decay by emitting radiation that has no mass. What other characteristic does the radiation have
Advocard [28]

Answer : Option D) No charge

Explanation : An isotope undergoes radioactive decay by emitting radiation that has no mass. The radiation will not have any charge as it does not has any mass it will not emit a radiative charge.

It is known that there are some unstable radioactive isotopes which has no mass and the radiation thus has no charge in it.

7 0
2 years ago
Read 2 more answers
An ion has 24 protons and 19 electrons. Write the symbol for this ion.
Lerok [7]

Answer:

+5

Explanation:

it hs 5 more protons thant electrons, so it has a positive charge of 5

5 0
2 years ago
Draw the product obtained when trans-2-butene is treated first with br2 in ch2cl2, second with nanh2 in nh3, and then finally wi
oee [108]

<span>In order to do this, you have change the alkene into an alkyne. That is the aim of Br2/CH2Cl2 trailed by NaNH2. The Br2 with form a vic dihalide (3,4-dibromo octane). Adding of NaNH2 will execute two E2 reactions. -NH2 will eliminate an H from carbons 3 and 4. This double elimination will make the alkyne. Then handling the alkyne with H2/Lindlar will form the cis alkene. The final product will be CIS-3-octene.</span>

3 0
2 years ago
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