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mamaluj [8]
2 years ago
11

Astrology is the study of how the positions of the stars and movements of the planets influence the lives and behaviors of peopl

e. Astrology dates back to the second millennium BCE. Modern Western astrology is often associated with horoscopes that explain an individual’s personality and predict significant events in his or her life based on the position of stars and planets. There is no evidence to support the validity of astrology or its methods. Is astrology an example of science or pseudoscience? Explain your answer.
Chemistry
2 answers:
blagie [28]2 years ago
6 0

Answer: Astrology is an example of pseudoscience. It is based on beliefs and is not supported by any scientific evidence.

miss Akunina [59]2 years ago
6 0

Answer:

Astrology is an example of pseudoscience. It is based on beliefs and is not supported by any scientific evidence.

Explanation:

thats the sample response

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Determine how many liters of hydrogen adjusted to STP there are in a 50.0 liter steel cylinder if the pressure inside is 100.0 a
Dvinal [7]

Answer : The volume of hydrogen gas at STP is 4550 L.

Explanation :

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1 = initial pressure of gas = 100.0 atm

P_2 = final pressure of gas at STP = 1 atm

V_1 = initial volume of gas = 50.0 L

V_2 = final volume of gas at STP = ?

T_1 = initial temperature of gas = 27.0^oC=273+27.0=300K

T_2 = final temperature of gas at STP = 0^oC=273+0=273K

Now put all the given values in the above equation, we get:

\frac{100.0atm\times 50.0L}{300K}=\frac{1atm\times V_2}{273K}

V_2=4550L

Therefore, the volume of hydrogen gas at STP is 4550 L.

3 0
3 years ago
Activation energy is ____. (1 point)
Usimov [2.4K]
Activation energy is defined as the least amount of energy that is needed to be available in a chemical system with potential reactants in order to result a chemical reaction. Therefore, the correct answer would be the first option: the heat released in a reaction. 
7 0
3 years ago
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Zinc chloride (ZnCl2) and hydrogen (H2) are the products of a single replacement reaction. What are the reactants of this reacti
timurjin [86]

Answer:

B Zn+2HCI

Explanation:

4 0
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several dams on the colorado river in texas produce electricity through hydropower. what is an advantage of this type of energy
Ivanshal [37]

Explanation:

hydropower energy is:

-renewable

-clean (doesn't produce toxins or emit harmful gases into the atmosphere)

-environment friendly

-cheap once installed

3 0
2 years ago
Which is a characteristic of a solution
aleksley [76]
A solution is a homogeneous mixture of two or more substances. a solution doesn't allow light to scatter. the solute cannot be separated mechanically from the solution.
8 0
2 years ago
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