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podryga [215]
2 years ago
5

2 What has been one effect of population growth on the physical environment? ​

Chemistry
1 answer:
miskamm [114]2 years ago
8 0

Answer:

It damaged the environment growth of humans and the population had a negative affect on the environment

Explanation:

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Describe the De Borglie's hypothesis​
Advocard [28]

Answer:

The De Broglie hypothesis proposes that all matter exhibits wave-like properties and relates the observed wavelength of matter to its momentum. After Albert Einstein's photon theory became accepted, the question became whether this was true only for light or whether material objects also exhibited wave-like behavior.

3 0
3 years ago
what is the anode of a galvanic cell made with zinc and aluminum aluminum metal zinc metal aluminum ions zinc ions​
emmasim [6.3K]

Answer:

The Anode of a Galvanic cell made with Zinc and Aluminum is Aluminum metal

Explanation:

A P E X states that the answer is aluminum metal

6 0
3 years ago
Read 2 more answers
A balloon contains 3.20 L of helium. The pressure is reduced to 59.0 kPa, and the
pshichka [43]

Answer:

101.4pKa

Explanation:

Given parameters:

Initial Volume of helium  = 3.20L

Final pressure of helium  = 59kPa

Final volume on helium gas = 5.5L

Unknown:

Initial pressure exerted on the balloon = ?

Solution;

To solve this pressure - volume problem, we simply apply the Boyle's law.

It states that "the volume of a fixed mass gas varies inversely as the pressure changes if the temperature is constant".

  Mathematically;

         P1 V1  = P2 V2

Now, insert parameters and solve;

         P1 x 3.2 = 59 x 5.5

          P1  = 101.4pKa

4 0
3 years ago
If the compound contains 35.06 % cl by mass, what is the identity of the metal?
Setler [38]

Answer is: identity of the metal is gold (Au).

ω(Cl) = 35.06% ÷ 100%.

ω(Cl) = 0.3506; mass percentage of chlorine.

If we take 100 grams of the compound:

m(Cl) = ω(Cl) · m(compound).

ω(Cl) = 0.3506 · 100 g.

ω(Cl) = 35.06 g.

n(Cl) = m(Cl) ÷ M(Cl).

n(Cl) = 35.06 g ÷ 35.45 g/mol.

n(Cl) = 0.99 mol; amount of substance.

In molecule MCl₃: n(M) : n(Cl) = 1 : 3.

n(M) = 0.33 mol; amount of unknown metal.

M(M) = m(M) ÷ n(M).

M(M) = (100 g - 35.06 g) ÷ 0.33 mol.

M(M) = 196.8 g/mol; molar mass of the gold.

4 0
3 years ago
What is the unit used for water vapor?
SpyIntel [72]

Answer:

relative humidity

Explanation:

Relative humidity can be measured with a hygrometer

4 0
3 years ago
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