Label each as either physical or chemical change.
a.corrosion of aluminum metal by hydrochloric acid
b.melting wax
c.pulverizing an aspirin tablet
d. digesting a Three Musketeersbar
e. explosion of nitroglycerin
f. a burning match
g. metal warming up, due to the burning match
h. water vapor condensing on the metal
i.the metal oxidizes, becoming dull and brittle
j.salt being dissolved by water

Answers

Answer 1

Answer:

corrosion of aluminum metal by hydrochloric acid - chemical change

melting wax - physical change

pulverizing an aspirin tablet - physical change

digesting a Three Musketeersbar - chemical change

explosion of nitroglycerin - chemical change

a burning match - chemical change

metal warming up, due to the burning match - physical change

water vapor condensing on the metal - physical change

the metal oxidizes, becoming dull and brittle - chemical change

salt being dissolved by water - physical change

Explanation:

A chemical change is one in which a new substance is produced and it is not easily reversible. A chemical change always goes with absorption or evolution of heat.

On the other hand, a physical change is one in which no new substance is formed and it is easily reversible.

The processes mentioned in the question were classified into physical and chemical changes as we can see in the answer section.


Related Questions

Are god real? what is ur point of view guys

Answers

Answer:

Yes god is real

Explanation:

do you belive in ghosts are there

Answer: I think yes. No points

Explain how the revival of classical texts contributed to the development of the Renaissance in Italy.

Answers

Renaissance was  when art and literature was revived during the 14th century  under the influence of the classical models.

The revival of the classical texts was vital as it brought about new values and methods of scholarship to the religion and the society.

It also helped in revitalizing their culture as the classical texts were reemphasized. Lastly, there was an expansion of philosophy, and art.

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Due to changing the ideology of people at that time that plays a crucial role in the movement of renaissance.

The revival of classical texts contributed to the development of the Renaissance in Italy because these classical texts changed the ideology of people that contributes to the development of Renaissance movement. The renaissance thinkers considered the Middle Ages or the dark ages is a period in which decline of culture occurs. They revitalize their culture through the action of re-emphasizing their classical texts and philosophies. They interpreted them in order to create their own style of art, philosophy and scientific researches.

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WHAP!
How was southeast asia a part of "global middle ages?"

Answers

Answer:

Explanation:

Productive agricultural and interregional trade contributed to Southeast Asian cultures in mainland and island Southeast Asia. Knowledge of Southeast Asia spread across Eurasia along with its valuable trade goods, making the region a part of the "Global Middle Ages."

Two drivers reach an uncontrolled intersection at the same time. Who has the right of way?
A.) The driver on the left.
B.)No one.
C.)The driver on the right.

Answers

Answer:
C
Hope this helps!

Why am I so tired all day

Answers

Answer:

because tiredness is a plaque to humanity

Answer:

Because you was do your work and being tried all the time can also be sign of vitamin deficiency .

This could include low levels of vitamin D, vitamin B-12, iron , magnesium, or potassium .

A routine blood test can help identify a deficiency . Your doctor may recommend talking supplement.

Is there any way to tell the gender of a baby who has not yet been born before the mother has given birth? And is there any way to try and have a specific gender?
*This is worth a lot of points due to the fact that I need to know

Answers

By 18 weeks an ultrasound technician will most likely be able to identify the sex of the baby

Answer:

one of the common traditional methods was

Explanation:

Through baking soda test

then twas later graduated to knowing through

Ultrasound check

and Through DNA blood test

The Na+ion and the Ne atom are isoelectronic. The ease of loss of an electron by gaseous Ne atom, I1, has a value of 2081 kJ/mol. The ease of loss of an electron from a gaseous Na+ ion, I2, has a value of 4562 kJ/mol. Why are these values not the same?

Answers

Answer:

both are stable & have their outermost e

in same shell.

Energy require Na

+

ion is more

∴ it contain one more proton in its nucleus which pulls outermost e

more properly then Ne.

for this we didnt need to remember its value just get an idea from options.

PLEASE SOLVE ASAP!!!
1. Use your virtual Algebra tiles. Make a square using one or more of each of the following types of tiles.


x^2-tile

x-tile

1-tile


Describe the area of your square using an algebraic expression.


2. Use the information about Al-Khwarizmi on page 504 to explain how ancient mathematicians used squares to solve algebraic equations. Include an explanation of Al-Khwarizmi’s drawings for x^2 + 8x = 35 and a step-by-step algebraic solution with justification for each step of the equation.

Answers

Answer:

asap

Explanation:

asap

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