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sveticcg [70]
4 years ago
9

How do we classify matter ? Identify at least 3 example from each category

Chemistry
1 answer:
solmaris [256]4 years ago
4 0

Answer:

did you find out the answer because i need help with this

Explanation:

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A recessive trait will never express itself if a dominant trait is present. A. FALSE B. TRUE
Alchen [17]
I think it would be B
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4 0
4 years ago
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If a compound has two atoms of aluminum (AI) and three atoms of oxygen (O) what would its chemical formula look like?
liberstina [14]

Answer:

Al₂O₃

Explanation:

that's the molecular formula for aluminum oxide/alumina.

3 0
3 years ago
A gas sample has an original volume of 760 ml when collected at 700 mm and 40oC. If a change is made in the gas temperature whic
alexandr1967 [171]

Answer:

235k

Explanation:

To solve this problem, we will use the general gas equation.

In its simplest form, the general gas equation can be represented as follows:

P1V1/T1 = P2V2/T2

P1 = 700mmHg

V1 = 760ml

T1 = 40 degrees Celsius = 40 + 273.15 = 313.15K ( conversion into standard temperature unit)

P2 = 1.25 atm

We have to covert this into the same unit as the first pressure.

760mmHg = 1atm

x mmHg = 1.25 atm

x = 1.25 * 760 = 950mmHg

V2 = 420ml

T2 = ?

Now, rearranging the equation will yield:

T2 = P2V2T1/P1V1

T2 = 950 * 420 * 313.5/700 * 760

T2 = 235.125K or -38.025 degrees celcius

6 0
3 years ago
Converting from the US customary system to the metric system, 16 fluid ounces is approximately equal to a) 1 gallon. O b) 160 mi
andre [41]

Answer:

473 ml.

Explanation:

In gallons it’s equal to 0.125

8 0
3 years ago
What’s the balanced equation for water
IrinaVladis [17]

Answer:

water is good

Explanation:

water us good because it is H2O and it sounds like the word H O E and it is kind of spelled that way as well so that is very cool. anyways I'm super bored and I have nothing to do so in on here giving stupid answers to a lot of questions have a good day/night bye

4 0
3 years ago
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