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katen-ka-za [31]
3 years ago
8

What does the salinity of sea water represent?

Chemistry
1 answer:
kap26 [50]3 years ago
4 0

Answer:

the concentration of salt dissolved in the ocean

Explanation:

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What is the difference between a ribonucleotide and a deoxyribonucleotide?
Bumek [7]

Answer:

The answer to your question is: letter A

Explanation:

a. Ribonucleotides have a hydroxyl group on the 2 carbons of their sugar sub-unit.  This is the main difference between Ribonucleotides and deoxyribonucleotides, the first have hydroxyl group in carbon number two, while the second have a hydrogen.

b. Ribonucleotides contain a phosphate group.

c. Ribonucleotides have a hydrogen atom on the 1 carbon of their sugar sub-unit.

d. Ribonucleotides contain a sugar with five carbon atoms.

8 0
4 years ago
Which reaction is an example of heterogeneous catalysis?
lesya692 [45]

Answer:

Explanation:

Industrial examples

Process Reactants, Product(s)

Ammonia synthesis (Haber–Bosch process) N2 + H2, NH3

Nitric acid synthesis (Ostwald process) NH3 + O2, HNO3

Hydrogen production by Steam reforming CH4 + H2O, H2 + CO2

Ethylene oxide synthesis C2H4 + O2, C2H4O

5 0
3 years ago
Every chlorine atom has
Viktor [21]
Symbol: Cl 
Number of Neutrons: 18 
Atomic Number: 17  
Melting Point: -100.98 °C (172.17 K, -149.764 °F) 
Number of Protons/Electrons: 17 
Atomic Mass: 35.4527 amu

4 0
3 years ago
Logically why all atoms are electrically neutral ?​
daser333 [38]

ANSWER

An atom of element is electrically neutral because the number of positive protons are equal to number of negative electrons.

7 0
3 years ago
Read 2 more answers
How do I find the volume of a gas at stp if it’s volume is 80.0mL at 109kPa and -12.5 degrees Celsius
Hatshy [7]

all i really know is that STP (standard temperature and pressure) represents conventional conditions established by IUPAC with T = 273.15 K, P = 1 atm . Now putting these values of temperature and pressure at STP, we can calculate easily volume occupied by 1 mol of gas and which comes out to be 22.4 L. hope this helps

4 0
3 years ago
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