In a lab, Brett is mixing hydrochloric acid with water. This is an extremely explosive mixture that releases heat. What kind of reaction is this, endothermic or exothermic reaction

Answers

Answer 1
Answer: The definition of an exothermic reaction is releasing heat and endothermic reaction is an absorption of heat.

This reaction is exothermic because it releases heat and doesn't absorb it when mixing hydrochloric acid with water. 
Answer 2
Answer: Exothermic because you are releasing heat not absorbing.

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What is kinetic energy related to? A. heat B. position C. motion D. electricity

Answers

Answer:

Motion

Explanation:

The kinetic energy refers to the energy that an object possesses due to its motion. For example, a body at rest has zero kinetic energy.

Vibrations that move through the ground carrying the energy released during an earthquake are called

Answers

Vibrations that move through the ground carrying the energy released during an earthquake are called seismic waves. Seismic waves can be measured using a seismometer, which record the motion of the ground.

They are Called Siesmic Waves. It is Number 3

Which statement describes one acid-base theory?(1) An acid is an H+ acceptor, and a base is an H+ donor.

(2) An acid is an H+ donor,. and a base is an H+ acceptor.

(3) An acid is an H- acceptor, and a base is an H-donor.

(4) An acid is an H- donor, and a base is an H­ acceptor.

Answers

The answer is an acid is an H+ donor and a base is a H+ acceptor. This is in accordance to the Lewis definition of acids, which states that an acid is any substance that is able to release H+ ions in a solution or one that is able to accept a pair of nonbonding electrons. Another example of an acid-base theory is the Bronsted-Lowry theory of acids and bases.

Which has more thermal energy, 500g of ice or 500g of steam? explain your answer.

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Steam because steam comes from water which the energy makes it into steam

What is the number of moles in 15.0 g AsH3?

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We are given with the mass of Arsine (AsH_(3)

The mass of arsine is 15g

there is a relation between moles, mass and molar mass of any compound which is

moles=(mass)/(molarmass)

The molar mass of Arsine = atomic mass of As + 3X atomic mass of H

the molar mass of Arsine = 74.92 + 3X 1 = 77.92 g/mol

Let us calculate the moles as

moles=(15)/(77.92)=0.192mol


What is the order of classification of matter?

Answers

Solid,liquid,gas,and sometimes plasma...... I hope this is what you meant......