What was a direct result of the Bay of Pigs invasionin 1961?
(1) Fidel Castro was removed from power.
(2) Cold War tensions increased.
(3) The United States announced its Good
Neighbor policy.
(4) The communist government in Nicaragua was
overthrown.

Answers

Answer 1
Answer: A direct result of the Bay of Pigs invasion in 1961 was that "Cold War tensions increased", mainly because this put into question the boundaries of both states. 
Answer 2
Answer:

2) Cold War tensions increased.

The Bay of Pigs invasion was carried out by Cuban exiles that had been trained by the United States' Central Intelligence Agency (CIA).  The Cuban counter revolutionaries failed and Kennedy was embarrassed. Within just  days, the force of exiles was soundly defeated by the Cuban Revolutionary Armed Forces, commanded by Fidel Castro.   In the aftermath of the Bay of Pigs affair, Cuba requested that the USSR, as its communist sponsor, place missiles in Cuba to deter further US-sponsored action against the Castro regime.  


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Write these numbers rounded to the three nearest significant figures

Answers

Answer:

(a) 52.2 mL helium

(b) 18.0 g nitrogen

(c) 78.5 mg MSG

(d) 23,600,000 mm wavelength

(e) 0.00420 kg lead

Rounded the numbers to three nearest significant figures.

Which subatomic particles are located in the nucleus of a carbon atom?(1) protons, only
(2) neutrons, only
(3) protons and neutrons
(4) protons and electrons

Answers

The nucleus of an atom houses the Neutrons and Protons.

Which of the following statements is true?Nonmetals tend to gain electrons.
Metals tend to lose electrons.
Atoms have the natural tendency to fill their outermost shells.
All of the above.

Answers

Answer: Metals tend to gain electrons.

Explanation: Hope this helps!!! Have an amazing day!

Answer:

Non-metals tend to lose electrons

Atoms A and X are fictional atoms. Suppose that the standard potential for the reduction of X^2+ is +0.51 V, and the standard potential for the reduction of A^2+ is -0.33. Find the standard potential for an electrochemical cell with the cell reaction that follows.

Answers

While the reaction is not shown, based on those atoms and reduction potentials, the only reasonable favorable equation we can form is:

A(2+) + X -> A + X(2+)

The standard reduction potential for the cell is the cathode's reduction potential minus the anode's reduction potential, or 0.51-(-0.33)=0.84.

what is the concentration, in percent (v/v), of a solution containing 50 mL of diethyl ether (C4H10O) in 2.5 L of solution?

Answers

Answer: The v/v in percent of diethyl ether in a solution is 2%.

Explanation:

To calculate the percentage volume by volume of a solute in a solution, we use the formula:

\%(v/v)=\frac{\text{Volume of solute (in mL)}}{\text{Volume of solution (in mL)}}* 100

We are given:

Volume of solute = 50 mL

Volume of solution = 2.5 L = 2500 mL     (Conversion factor: 1 L = 1000 mL)

Putting values in above equation, we get:

\%(v/v)=(50mL)/(2500mL)* 100=2\%

Hence, the v/v in percent of diethyl ether in a solution is 2%.

Volume of solute = 50 mL

Volume of solution = 2.5 L x 1000 = 2500 mL

( V / V ) = ( 50 / 2500 ) x 100

( V/ V) =0.02 x 100 =  2.0 %

hope this helps!

Rust forms when _____ reacts with chemicals in rocks.

Answers

Rust forms when oxygen reacts with chemicals in rocks, and that is often the case with many other elements in general. Like a copper nail being exposed to the air will rust.

Answer : Rust forms when oxygen reacts with chemicals in rocks.

Explanation :

Rusting : It is a chemical process in which an iron react with oxygen to give an iron(III)oxide as a product. The product iron(III)oxide formed from the chemical reaction is known as rust.

The chemical reaction will be,

4Fe+3O_2\rightarrow 2Fe_2O_3

Hence, rust forms when oxygen reacts with chemicals in rocks.