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4 years ago

How are nymphs different from adult insects?

Chemistry

2 answers:

umka2103 [35]4 years ago

4 0

Answer:

Explanation:

the nymph looks like a smaller version of the adult insect, & it also has no wings & molts.

Ede4ka [16]4 years ago

3 0

Answer:

tg n

Explanation:

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Westkost [7]

What is the question lol

7 0

4 years ago

Calculate the volume of hydrogen that combines with 12 cm³ of chlorine gas to form hydrogen chloride.The games react at the same

telo118 [61]

Answer:12 cm^3 becoz as per Gay-Lussac law

H2+Cl2---. 2HCl thus ratio is 1:1:2

Explanation:

5 0

2 years ago

Iron has a density of 7.87 g/cm^3. What is the mass of 55.2 cm^3 of iron?

trapecia [35]

Answer: Formula: Mass = (Volume)(Density)

Iron Density = 7.87 g/cm^3

Volume of Iron = 55.2 cm^3

Mass=(V)(D)

Mass= (55.2 cm^3) x (7.87 g/cm^3)

Mass= 434,42 g

Explanation:

6 0

3 years ago

If 10.5 L of a gas at 0.98 atm has its pressure increased to 1.50 atm, what is the new volume?

serg [7]

Answer:

The new volume of this gas is 6.86 liters.

Assumption: the temperature of this gas stays the same, and this gas is ideal such that Boyle's Law applies.

Explanation:

By Boyle's Law, the volume of an ideal gas shall be inversely proportional to the pressure on it when temperature stays the same (as in an isothermal process.)

In other words,

$\displaystyle V \propto \frac{1}{P}$ ,

where

$V$ is the volume of the gas, and
$P$ is the pressure on the gas.

$P_1 \cdot V_1 = P_2 \cdot V_2$ .

$\displaystyle V_2 = \frac{P_1 \cdot V_1 }{P_2}$ .

Assume that this gas is ideal. Also assume that this increase in pressure is isothermal. Apply Boyle's Law to find the new volume of this gas:

$\displaystyle V_2 = \frac{P_1 \cdot V_1 }{P_2} = \rm \frac{0.98\;atm \times 10.5\; L}{1.50\; atm} = 6.86\; L$ .

8 0

4 years ago

The Hope diamond has a mass of 44.0 carats and a density of 3.51 g/cm3. What is the volume of the Hope diamond? (Hint: 1 carat =

Georgia [21]

Q=44.0 ct
p=3.51 g/cm³
Δq=0.200 g/ct

m=q×Δq

v=m/p=q×Δq/p

v=44.0×0.200/3.51≈2.5 cm³

C. 2.5 cm³

7 0

3 years ago