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3 years ago

Write the names of stages in the life cycle of butterfly

Chemistry

1 answer:

stepladder [879]3 years ago

3 0

Answer:

There are four stages in the metamorphosis of butterflies and moths: egg, larva, pupa, and adult.

Hope this helps :)

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What role does each type of chemical play in the firework

alex41 [277]

Answer: Antimony: Antimony is used to create firework glitter effects. Barium: Barium is used to create green colors in fireworks,

Explanation:

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2 years ago

Which shows an isomer of the molecule below

Stells [14]

Answer:

c because isomers are compounds with the same molecular formula but different structural formula.

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3 years ago

What is the formula,molecular geometry,and bonding angle for ch2ci

stellarik [79]

Answer:

what

Explanation:

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3 years ago

. Which characteristic of water will allow a paperclip to remain floating on water when the paperclip is gently placed on top of

Len [333]

Answer:

The answer is surface tension.

Explanation:

The high surface tension helps the paper clip - with much higher density - float on the water. The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension. hope this helps :)

7 0

3 years ago

A sample of gas occupies a volume of 67.1 mL . As it expands, it does 135.3 J of work on its surroundings at a constant pressure

Semmy [17]

Answer:

$V_2=1.363x10^{-3}m^3=1363mL$

Explanation:

Hello,

In this case, since the work done at constant pressure as in isobaric process is computed by:

$W= P(V_2-V_1)$

Thus, given the pressure, initial volume and work, the final volume is:

$V_2=V_1+\frac{W}{P}$

Whereas the pressure must be expressed in Pa as the work is given in J (Pa*m³):

$P=783Torr*\frac{101325Pa}{760Torr} =104394Pa$

And the volumes in m³:

$V_1=67.1mL*\frac{1m^3}{1x10^6mL} =6.71x10^{-5}m^3$

Thus, the final volume turns out:

$V_2=6.71x10^{-5}m^3+\frac{135.3Pa*m^3}{104394Pa}\\\\V_2=1.363x10^{-3}m^3=1363mL$

Best regards.

3 0

3 years ago