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Dmitriy789 [7]
3 years ago
14

Density is the amount of matter per space or mass/volume.

Chemistry
1 answer:
Doss [256]3 years ago
4 0

Answer:

Explanation:

density is the amount of weight/mass packed into a specific volume of material so i believe that is right

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2. Name each of the following ionic compounds A. K2O B. Cacl2. C. Mg3N2 D. NaCIO E. KNO3​
Ludmilka [50]
A. Potassium oxide
B. Calcium chloride
C. Magnesium nitride
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E. Potassium nitrate
3 0
3 years ago
which of the following describes something an engineer would probably do first when developing new technology meant to reduce oc
JulijaS [17]

Answer:

Option B. is the right answer.

Explanation:

Before developing a new technology, an engineer has to evaluate the advantages and disadvantages of the chemical used in order to clean water bodies. If the chemical has more disadvantages as compared to advantages, so its usage will be avoided while if the chemical does not harm the marine organisms of the ocean so it can be used for the purpose of cleaning. So we can say that first the engineer has to study the chemicals.

3 0
3 years ago
Who started a colony for the Quakers? A) John Smith B) Lord Baltimore C) William Penn D) Sir George Carteret
vovikov84 [41]

Answer:

William Penn

Explanation:

7 0
3 years ago
Read 2 more answers
Question 3 (1 point)
pentagon [3]

Full question:

The IUPAC name for  CH3CH2C≡CCH3 is:

Answer:

2-pentyne

Explanation:

To name hydrocarbons, you first you have to identify the longest carbon chain.  There are 5 carbons in this chain, so we know the name is "pent".

You then have to identify the presence of any double or triple bonds. If double bonds, it is an alkene, if triple bonds, it is an alkyne. In this case there is a triple bond, so we know the hydrocarbon is pentyne.

You then number the chain to give the lowest number to the triple bond. It could either be 4 (countnig carbons from left to right) or 2 (from right to left). Therefore, the answer is 2-pentyne.

5 0
4 years ago
A race is 50 m, and it takes an athlete<br> 15s to run it.<br><br> True or false?
vredina [299]

true because the average time for a 50 meter dash for men is 7.57 seconds, however he would be late sadly

4 0
3 years ago
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