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Olegator [25]
3 years ago
6

Why does a hot air balloon rise when the air inside it is heated

Chemistry
1 answer:
Nastasia [14]3 years ago
7 0

hot air rises up in the balloon and lifts the balloon up

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A. True <br> b. False a chemical species is either an acid or a base, it cannot function as both
ivann1987 [24]
False They can function as both. An example is Aluminium Oxide. These kind of substances are called "Amphoteric", they can behave as both acids and bases.
3 0
3 years ago
Using the diagram below and the labels attached to it answer the following:
MAXImum [283]

Answer & Explanation:

Crest is a point in the cycle where maximum or peak amplitude exists. In another way, it is a point on the positive side of a wave where maximum amplitude exits. Trough is a point in the cycle where minimum amplitude exists.

Crest: points A and E

Trough: points C and J

Wavelength is the distance between two crests or two troughs. One example is distance between points A and E.

Frequency is 3 because there are 3 oscillations in 1 second (follow the line from beginning to point D, then D to G, the G to end).

I asked that question on my brainly account to answer your question so the people that answerd my question said this is right I HOPE IT IS!!

8 0
3 years ago
How many atoms of HCl are needed to produce 0.62 moles of hydrogen gas​
navik [9.2K]

Answer:

0.2 moles

Explanation:

7 0
3 years ago
Read 2 more answers
What is chalk made of?
aksik [14]
I think it is calcium carbonate, from sedimentary rocks and such
7 0
4 years ago
Read 2 more answers
How much heat is required to convert 12. 0 g of ice at -10. 0 ºc to steam at 100. 0 ºc?
nordsb [41]

Main Answer:

Given data:

Mass of ice m = 12 grams = 12/1000 = 0.012 kg

Specific heat  s = 4.18 KJ/ gm-1 C-1

Change in temperature t = t2 - t1

t = 100 - (-10)

t = 100 + 10 = 110C

Heat required Q = m x s x t

Q = 0.012 x 4.18 x 110

Q = 5.5176 KJ

Explanation:

What is heat?

Heat is defined as one of the forms of energy. It is a kinetic energy which can be transferred from one object to another object or medium. It cannot be destroyed or created. The units of heat is Joules in SI system and calories in CGS system.  

To know more about heat, please visit:

brainly.com/question/13439286

#SPJ4

8 0
2 years ago
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