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kap26 [50]
4 years ago
11

In poor quality fireworks what will you notice and why

Chemistry
2 answers:
anastassius [24]4 years ago
8 0
The best answer I could find was when you Google it, that the fuse is of poor quality. I cannot leave you a link, but you can find it for yourself. Put in poor quality fireworks and all sorts of things will pop up. No pun intended.
Kisachek [45]4 years ago
7 0

Answer:

Explanation:

Hello!

Low quality fireworks have loosely bound mortars, shells and cannon fuses. Moreover, there are mighty chances that the cannon fuse or the visco fuse of the firework would be inappropriately small and have loosely wrapped protective layers. A good quality firework would always have a long cannon fuse with minimum of three protective layers wrapped around it, tightly. The three layers are, invariably, a combination of usual and lacquer coated wires. While the usual wires provide mechanical strength, the lacquer coated ones provide water resistance to the fuse and keep the fuse from falling apart.

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When the liquid state and the gaseous state of a substance are in equilibrium the rate of evaporation is?
butalik [34]
The rate of evaporation is equal to rate of condensation in equilibrium......It means the evaporation rate becomes constant.....And thus equilibrium attained !!!
8 0
4 years ago
Read 2 more answers
How many significant figures are in the measurement 40,500 mg?
schepotkina [342]

b) three

this is because all integers are sig figs, and all numbers between integers are sig figs. This makes the 40,5 part of 40,500 significant. Place holder zeroes that are not after a decimal are not significant, so the last two zeroes of the number are not significant.

3 0
4 years ago
One carbon dioxide molecule consists of ______________ carbon atoms and ____________ oxygen atoms
Eddi Din [679]

Answer:

1 carbon 2 oxygen

Explanation:

6 0
3 years ago
PLLLLEEAASEEE HELLPP!!
nekit [7.7K]

<u>Answer:</u> The correct option is C) 1.68 mol/L

<u>Explanation:</u>

Molarity is defined as the amount of solute expressed in the number of moles present per liter of solution. The units of molarity are mol/L. The formula used to calculate molarity:

\text{Molarity of solution}=\frac{\text{Given mass of solute}}{\text{Molar mass of solute}\times \text{Volume of solution (L)}} .....(1)

Given values:

Given mass of C_6H_{12}O_6 = 150 g

Molar mass of C_6H_{12}O_6 = 180 g/mol

Volume of the solution = 0.50 L

Putting values in equation 1, we get:

\text{Molarity of solution}=\frac{150}{180\times 0.50}\\\\\text{Molarity of solution}=1.68M

Hence, the correct option is C) 1.68 mol/L

7 0
3 years ago
What is the cost in dollars for the nails used to build a fence 80 meters long if it requires 30 nails per meter? There are 40 n
svet-max [94.6K]

Answer:

4500 cent

Explanation:

From the question, we were told that

a fence 80 meters long requires 30 nails per meter.

1 metre fence = 30 nails

Then 80 meters long= ( 30 × 80)

= 2400 nails

Which means a fence 80 meters long will require 2400 nails in total.

We need to find the cost in dollars for the nails to build a fence 80 meters long.

We know that 40 nails per box will cost 75 cents per box.

(2400 nails/40 nail per box)= 60 box

Then 60 box will be needed to complete the fence.

the cost in dollars for the nails to build a fence 80 meters long= (60 box × 75 cent per box)=4500 cent

7 0
3 years ago
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