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Nimfa-mama [501]
3 years ago
5

Organisms on earth are what-based life forms oxygen hydrogen carbon

Chemistry
2 answers:
slavikrds [6]3 years ago
8 0

Answer:

oxygen, and hydrogen and carbon... those are all things that make up the elements.

Explanation:

laila [671]3 years ago
5 0
I think that the answer is oxygen, oxygen plays a huge role in the evolution of organisms.
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A solution is prepared by adding 100 ml of 0.2 m hydrochloric acid to 100 ml of 0.4 m sodium formate. is this a buffer solution,
bogdanovich [222]
<span>It is a buffer because pH = pKa of formic acid. </span>
6 0
3 years ago
Can someone please help me and give an explanation???
Amanda [17]

Convert 278 Kelvin to Celsius

278 Kelvin (K) = 4.850000 Celsius (C)

1 K = -272.150 C

1 C = 274.150 K

More information from the unit converter

Q: How many Kelvin in 1 Celsius?

The answer is 274.150

Q: How many Celsius in 278 Kelvin?

The answer is 4.850000

5 0
3 years ago
How many grams of carbon are contained in one mole of<img src="https://tex.z-dn.net/?f=C_%7B3%7DH_%7B8%7D" id="TexFormula1" titl
NNADVOKAT [17]

\quad \huge \quad \quad \boxed{ \tt \:Answer }

\qquad \tt \rightarrow \:36 \:\: g

____________________________________

\large \tt Explanation \: :

The given compound has 3 carbon atoms, so in 1 mole of that compound, there will be 3 moles of carbon atoms.

Mass of each mole of carbon atoms = 12 g

For 3 mole carbon atoms, it will be 12 × 3 = 36 grams

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

4 0
2 years ago
2. Calculate the joules of energy required to heat 454.3g of water<br> frum 5.4°C to 98.6°C.
Tasya [4]

Answer:

176984.38J

Explanation:

E = mC∆T

Where E is the energy in joules

M is the mass of water

C is the specific heat capacity of water =4.184J/g°C

It is known that it will take 4.184J of energy to change the temperature of water by one degree Celsius.

∆T = 98.6°c - 5.4°c

= 93.2°c

∆H = 454.3g × 4.18J/g°C × 93.2°c

= 176984.3768

176984.38J

7 0
4 years ago
PLZ HELP IM NO SURE IF I PUT THE RIGHT ANSWER!!!!!!!!
Natasha2012 [34]
Don’t worry, you’re right :)
7 0
3 years ago
Read 2 more answers
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