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Readme [11.4K]
3 years ago
13

Are all acids colourless?

Chemistry
2 answers:
iragen [17]3 years ago
7 0
No :D they are not.
ra1l [238]3 years ago
3 0

Answer:

Explanation:

No, there are colored acids, too. For example, the colorful indicators you use in acid/base titrations are all weak acids. Very strong acids tend to be colorless, simply because they are mostly small molecules (HCl, HNO3, H2SO4. etc.)

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Why do planets rotate around our sun
Andrei [34K]

Answer:

the most basic way i can put it is..

Explanation:

the planets rotate around the sun is because the gravity of the sun keeps them in their orbits. if the sun wasnt there, the earth would literally just travel in a straight line. but the gravity of the sun alters its course, making it travel around the sun.

6 0
2 years ago
. A sample of crude oil has a density of 0.87 g/mL. What volume (in liters) does a 3.6 kg sample of this oil occupy
gayaneshka [121]

Answer:

The volume is 4.13793 L

Explanation:

Density is a quantity that expresses the relationship between the mass and the volume of a body, so it is defined as the quotient between the mass and the volume of a body:

density=\frac{mass}{volume}

Density is a characteristic property of every body or substance.

The most commonly used units of density are \frac{kg}{m^{3} } or \frac{g}{cm^{3} } for solids, and \frac{kg}{L} or \frac{g}{mL} for liquids and gases.

In this case, you know:

  • density= 0.87 \frac{g}{mL}
  • mass= 3.6 kg= 3,600 g (being 1 kg=1,000 g)
  • volume= ?

Replacing:

0.87\frac{g}{mL} =\frac{3,600 g}{volume}

Solving:

volume =\frac{3,600 g}{0.87\frac{g}{mL}}

volume= 4,137.93 mL

Being 1,000 mL=1 L, then volume= 4,137.93 mL= 4.13793 L

<u><em>The volume is 4.13793 L</em></u>

5 0
3 years ago
What is a device that changes electrical energy into mechanical energy?
umka2103 [35]
<span>A generator converts mechanical energy into electrical energy, while a motor does the opposite - it converts electrical energy into mechanical energy.</span>
8 0
3 years ago
1+1 hahahahahhhahahaahahahahahahahahahahahahahaha why u dumb
-Dominant- [34]

Answer:

1+1=2 Unless this is a trick question. Then it's most likely 11.

Explanation:

4 0
2 years ago
Read 2 more answers
What are the differences between HDL and LDL?​
il63 [147K]

Answer:

LDL is

low density lipid

HDL is

high density lipid

Explanation:

HDL helps rid your body is excess cholesterol so so it won't end up in your arteries

LDL is also called "bad cholesterol" because it takes cholesterol to your arteries

6 0
3 years ago
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