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zloy xaker [14]
3 years ago
15

Classify the reaction that makes a firefly glow in terms of energy input and output

Chemistry
1 answer:
user100 [1]3 years ago
4 0
It glow, so light energy go out of the system, exotermic
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A balance reads an object A to be 45.1 kg. The balance reads another object B to be 33.46 kg. What is the total weight of both o
postnew [5]

Answer:

The total weight of both object is 78.56 kg.

Explanation:

Given data:

Mass of object A = 45.1 kg

Mass of object B = 33.46 kg

Total weight of object = ?

Solution:

Total weight of both subject must be the sum of weight of object A and B.

Total weight of objects = weight of object A + weight of object B

Now we will put the values of mass of object A and B.

Total weight of objects = 45.1 kg + 33.46 kg

Total weight of objects =78.56 kg

Thus the total weight of both object is 78.56 kg.

7 0
3 years ago
When considering metal complexation with EDTA, if you are comparing 2 metals, the metal with a higher ____________ will react wi
DENIUS [597]

If you are comparing 2 metals, the metal with a higher <u>Number of free ions</u> will react with EDTA first

<h3>What is EDTA ?</h3>

EDTA is a type of chemical which binds certain metal ions such as calcium and magnesium. some of the functions of EDTA  includes:

  • Preventing blood clotting of blood samples
  • prevention of the formation of Biofilm by bacterias

The EDTA will readily react with metals which have a hiogher number of free ions that it can bind with.

Hence we can conclude that If you are comparing 2 metals, the metal with a higher <u>Number of free ions</u> will react with EDTA first.

Learn more about EDTA : brainly.com/question/10818175

7 0
2 years ago
Write chemical equation for solid cadmium carbonate, water, and carbon dioxide
Alchen [17]
I think this is it
Cd(HCO3)2---->CdCO3+H2O+CO2

Sorry if this is wrong
4 0
3 years ago
Position always is relative to another object or location <br> options: True False
-Dominant- [34]

Answer:

True

Explanation:because of the motion

4 0
2 years ago
What best describes the temperature at which a solid turns into a liquid
Sunny_sXe [5.5K]
Melting point... hope this helps
6 0
3 years ago
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