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MissTica
3 years ago
15

A change in which property of light will have no effect on weather or not the photoelectric effect occurs

Chemistry
1 answer:
lubasha [3.4K]3 years ago
7 0
It's C. intensity. If it's not correct, please tell me.
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What do the toxic chemicals used in paving roads, rocket fuel, and rat poison have in common? What do the toxic chemicals used i
MArishka [77]

Answer: Arsenic

Explanation:. Arsenic,  is found in several different chemical forms in paving roads--- arsenic release from asphalt, rocket fuel--- from combustion of fuel causing release of arsenic and carbon monoxide  and among the composition of  rat poison in different oxidation states,which can lead to toxicity called  arsenic poisoning--- which occurs when much arsenic  is accumulated in the body causing  acute and chronic adverse health effects, from diarrhea to cancer.

3 0
3 years ago
Please help me I will give you extra points and the brain thing please actually do it.
Shkiper50 [21]
Inertia is the retaliation of an object to change in its velocity
4 0
3 years ago
2 C2H6 + 7 026 H2O + 4 CO2
Kay [80]

Answer:

Oxygen is limiting reactant

Explanation:

Based on the chemical reaction:

2C2H6 + 7O2 → 6H2O + 4CO2

<em>2 mole of ethane reacts with 7 moles of oxygen</em>

<em />

For a complete reaction of 5.25 moles of ethane are required:

5.25 moles Ethane * (7mol Oxygen / 2mol Ethane) = 18.38 moles of oxygen

As there are just 15.0 moles of oxygen

<h3>Oxygen is limiting reactant</h3>
3 0
3 years ago
Please help ASAP please and thanks!! I'll also mark you!
skelet666 [1.2K]
Substitution Reactions are those reactions in which one nucleophile replaces another nucleophile present on a substrate. These reactions can take place via two different mechanism i.e SN¹ or SN². In SN¹ substitution reactions the leaving group leaves first forming a carbocation and nucleophile attacks carbocation in the second step. While in SN² reactions the addition of Nucleophile and leaving of leaving group take place simultaneously.
 
Example:
                        OH⁻  +  CH₃-Br     →     CH₃-OH  +  Br⁻

In above reaction,

                   OH⁻  = Incoming Nucleophile

                   CH₃-Br  =  Substrate

                   CH₃-OH  =  Product

                   Br⁻  =  Leaving group

Organic reactions are typically slower than ionic reactions because in organic compounds the covalent bonds are first broken, this breaking of bonds is a slower step, while, in ionic compounds no bond breakage is required as it consists of ions, so only bond formation takes place which is a quicker and fast step.
7 0
3 years ago
Bromine, a liquid at room temperature has a boiling point of 58 degrees celsius and a melting point at -7.2 degree celsius bromi
ra1l [238]

Hello!


Bromine can be classified as a pure substance.


Why?


Bromine is an element with atomic number 35 on group 17 of the Periodic Table. That's the first sign that shows us that it is a pure substance.


But the fact that it has a clear and defined boiling and melting point is a sign that we are in the presence of a pure substance. Pure substances are characterized by defined boiling and melting points.


Mixtures usually have a range of temperatures in which they melt and boil.


Have a nice day!

8 0
3 years ago
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