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3 years ago

What is Explosive Chemistry?

Chemistry

1 answer:

saw5 [17]3 years ago

7 0

Answer:it reacts chemically to produce heat and gas with rapid expansion of matter. It is a rapid chemical reaction

Explanation:

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What solid can be formed from a net diagram that has 2 congruent circles and 1 rectangle?

Serggg [28]

Answer: Option (B) is the correct answer.

Explanation:

When two circles are of same same then they are known as congruent circles.

Whereas a rectangle is a kind of parallelogram with all sides equal to $90^{o}$ .

Therefore, when 2 congruent circles and 1 rectangle combines then it results in the formation of a cylinder.

Thus, we can conclude that solid formed when 2 congruent circles and 1 rectangle combines will be a circle.

5 0

3 years ago

Read 2 more answers

I will give brainliest (8th grade)

lesya [120]

Answer:

2.The cooling effects of more indirect sunlight cause autumn and winter. Because of the Earth's approximately 23.5º tilt, the seasons in the Northern and Southern Hemispheres are reversed, about six months apart from each other.

3.In North America, around June 21, Earth tilts on its axis toward the Sun. That means that at the northern summer solstice, North America will experience summer, and winter will start in in the Southern Hemisphere. Winter Solstice. Around December 21, the Northern Hemisphere tilts the farthest away from the Sun.

Explanation:

3 0

3 years ago

What is the molarity of SO4^2- in a solution prepared by mixing 2.17 g of alum, KAl(SO4)2•12H2O, with 175 mL of water? The molec

vodka [1.7K]

<u>Answer:</u> The concentration of sulfate ions in the solution is 0.0522 M

<u>Explanation:</u>

To calculate the the molarity of solution:, we use the equation:

$\text{Molarity of the solution}=\frac{\text{Mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Volume of solution (in mL)}}$

Given mass of alum = 2.17 g

Molar mass of alum = 478.39 g/mol

Volume of solution = 175 mL

Putting values in above equation, we get:

$\text{Molarity of solution}=\frac{2.17\times 1000}{474.39\times 175}\\\\\text{Molarity of solution}=0.0261M$

The chemical equation for the ionization of alum follows:

$KAl(SO_4)_2.12H_2O\rightarrow K^++Al^{3+}+2SO_4^{2-}+12H_2O$

1 mole of alum produces 1 mole of potassium ions, 1 mole of aluminium ions, 2 moles of sulfate ions and 12 moles of water

So, concentration of sulfate ions = $(2\times 0.0261)=0.0522M$

Hence, the concentration of sulfate ions in the solution is 0.0522 M

4 0

3 years ago

Fill in the coefficients that will balance the following reaction:

sveticcg [70]

I do not see any picture

3 0

3 years ago

0 ml of a 1.20 m solution is diluted to a total volume of 228 ml. a 114-ml portion of that solution is diluted by adding 111 ml

ozzi

54.0 ml of a 1.2 m solution was diluted to a total volume of 228 ml
USing dilution equation
M1V1 = M2V2
Where M1V1 is before dilution while M2V2 is after dilution.
Therefore;
M1= 1.20 M, V2= 54 ml,
M2= V2 = 228 ml

1.20 M × 54 ml = M2 × 228 ml
M2 = (1.2 ×54)/ 228 ml
= 0.2842 M

0.2842 × 114 ml = M2 × (114 +111)
M2 = (0.2842 ×114)/ 225
= 0.143995
= 0.144 M

3 0

3 years ago