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Iteru [2.4K]
4 years ago
11

What are some ideas for a compound machine for my middle school invention science project that can be useful in people's daily l

ives? I need a explanation of why it's important.
Chemistry
1 answer:
Zanzabum4 years ago
4 0
A toothbrush that has toothpaste in the middle so it comes preloaded. That way it is cleaner and uses more product than normal
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Draw the major product formed when the structure shown below undergoes substitution in ch3ch2oh with heat. (use a wavy bond (sin
muminat

Answer:

Explanation:

The missing image is attached below.

The objective of this question is to draw the major product formed from the diagram attached below.

From the diagram attached, we will see the reaction of a tertiary alkyl halide together with a weak nucleophile (ch3ch2oh) undergoing a nucleophilic substitution (SN₁) mechanism to yield a racemic mixture(i.e., compound that is not optically active but contains an equal amount of dextrorotatory and levorotatory stereoisomers) as a product.

7 0
3 years ago
Help me please lol....
borishaifa [10]

Answer:

Lithium to form LiBr. An ionic bond is a type of chemical bond that involves a metal and a nonmetal ion.

So your correct answer would be B) Li

3 0
3 years ago
Which of the following is the correct description of momentum?
Mars2501 [29]
You gave no choices. P = mv

mass (kg) * velocity (m/s)

3 0
4 years ago
A fixed mass of a gas occupies 1000cm
Serhud [2]

Answer:

the pressure of gas is 100.0 the volume is 500.0

Explanation:

4 0
3 years ago
A mountaineer shouts for help Half a second later (0.5 she hears the echo How far away is the rock face which is reflecting her
Tema [17]

Answer:

82.5 metres

Explanation:

speed=330m|s

initial time taken =0.5÷2=0.25

distance=speed×time

330m|s × 0.25s = 82.5m

6 0
3 years ago
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