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Black_prince [1.1K]
4 years ago
13

What do you think is meant by the term pseudoscience?

Chemistry
2 answers:
LenKa [72]4 years ago
8 0

Explanation:

it means false science

WITCHER [35]4 years ago
5 0

Answer:

The term "pseudo-science" assumes a criterion that allows a differentiation between science and nonscience, good science and bad science, true and false. ... They must try to understand them and not put out in television programmes the sort of pseudo-science that does not exist in reality

Explanation:

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Alpha particles cannot penetrate deeply into solids because they _____.
DENIUS [597]

Answer: Option (c) is the correct answer.

Explanation:

A particle that contains two protons and two neutrons bounded together is known as an alpha particle.

It is known that an alpha particle has a large mass and due to this they travel very slowly. As a result, they tend to have low velocity.

Hence, we can conclude that alpha particles cannot penetrate deeply into solids because they have low velocity.

3 0
3 years ago
Read 2 more answers
Why do scientists look for patterns in the world?
noname [10]

Answer:

to forcast the future

Explanation:

5 0
4 years ago
A marine biologist is preparing a deep-sea submersible for a dive. The sub stores breathing air under high pressure in a spheric
Luba_88 [7]

Complete Question

A marine biologist is preparing a deep-sea submersible for a dive. The sub stores breathing air under high pressure in a spherical air tank that measures 74.0 wide. The biologist estimates she will need 2600 L of air for the dive. Calculate the pressure to which this volume of air must be compressed in order to fit into the air tank. Write your answer in atmospheres. Round your answer to significant digits.

Answer:

The pressure required is P_2= 12.2 \ atm

Explanation:

Generally the volume of a sphere is mathematically denoted as

             V_s = \frac{4}{3} * \pi r^3

Substituting r =  \frac{d}{2} = \frac{74}{2} = 37cm

          V_s = \frac{4}{3} * 3.42 * (37)^2

               V_s = 2.121746 *10^5 cm^3

Converting to Liters

               V_s = \frac{2.121746 *10^5}{1000}

                V_s= 212.1746L

Assume that the pressure at which the air is given to the diver is 1 atm when the air was occupying a volume of 2600L

So

From Charles law

               P_1V_1 = P_2 V_s

Substituting  V_1 =2600 L ,   P_1 = 1 atm , V_s  =212.1746L , and making P_2 the subject we have

                 P_2 = \frac{P_1 * V_1}{V_s}

                     = \frac{1 * 2600}{212.1746}

                    P_2= 12.2 atm

               

6 0
3 years ago
Which of the following is true of the electrons in the Bohr model of an atom?
NARA [144]

Answer:

They exist at specific energy levels

Explanation:

6 0
3 years ago
C, h, o, n, p and s make up > 90% of all organic compounds. t or f?
Shtirlitz [24]
True is does make up 90 percent
5 0
3 years ago
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