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vodomira [7]
4 years ago
13

What is a nuetron activation analysis

Chemistry
1 answer:
Daniel [21]4 years ago
8 0
Its<span> a nuclear process used for determining the concentrations of elements in a cast amount of materials.</span>
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You have competed an extraction procedure on a mixture of compounds known to contain Lauric acid ( it to get necessary physical
marin [14]

Answer:

3.5 mL

Explanation:

Let us represent lauric acid with the symbol LaCOOH and the anion as LaCOO-. The reaction between the anion and H2SO4 is;

LaCOO-(aq) +  H2SO4(aq) ----->  LaCOOH(aq) + HSO4-(aq)

Number of moles of LaCOO- = 2.75 g/200 g/mol = 0.014 moles

Since the mole ratio of the reaction is 1:1, then the amount of H2SO4 required is also 0.014 moles

Then;

n = CV

n = number of moles

C= concentration

V = volume

V = n/C

V = 0.014 moles/4.0 M

V= 3.5 * 10^-3 L

V = 3.5 mL

5 0
3 years ago
The purpose of technology is to solve problems and meet needs.<br><br><br> TrueFalse
galina1969 [7]

Answer:

True

Explanation:

Technology has been mans best friend for a while due to the fact that they can make things to help others and create more jobs and help everyone overall.

7 0
3 years ago
Read 2 more answers
Animals respond to threats in their environment by attacking or escaping. Either response is the result, mostly, of interactions
disa [49]
Answer: self defense

Explanation: there either scared or feel evil presence so they either attack or escape
8 0
3 years ago
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2. Describe, in complete sentences, the relationship between the predator and prey populations in the activity. How does a chang
earnstyle [38]
The predator hunts the prey. The predator needs the prey to survive because this is the predator's source of food. The prey needs the predator to help reduce population, this is because when the population of prey grows too large more resources need to be consumed. If the prey start dying the predators lose their food source. If the predators start dying the prey's population will become so high that it depletes their resources, such as food.
8 0
3 years ago
Calcium electron configuration
otez555 [7]

Answer:

1s2 2s2 2p6 3s2 3p6 4s2

shorthand: [Ar] 4s2

Explanation:

the end number values are exponents, so 1s^2

3 0
3 years ago
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