Answer:
- Absorbance of sample solution = 1.21
- Absorbance of reagent blank = 0.205
Explanation:
In order to solve this problem we need to keep in mind the <em>Lambert-Beer law</em>, which states:
Where ε is the molar absorption coefficient, b is the length of the cuvette, and C is the concentration.
By looking at the equation above we can see that if ε and C are constant; and b is 5 times higher (5.00 cm vs 1.00 cm) then the absorbance will be 5 times higher as well:
- Absorbance of sample solution = 0.242 * 5 = 1.21
- Absorbance of reagent blank = 0.041 * 5 = 0.205
For the answer to the questions above,
a) Ag2CO3(s) => Ag2O(s)+CO2(g)
<span>b) Cl2(g)+2(KI)(aq) => I2(s)+2(KCl)(aq) (coefficients are for balanced equation) </span>
<span>net ionic is Cl2(g)+2I- => I2(s)+2Cl-(aq) </span>
<span>c) I2(s)+3(Cl2)(g)=>2(ICl3)
</span>I hope I helped you with your problem
Explanation:
A chemical equation represents a simple chemical reaction. Chemical reactions occur when atoms are rearranged in a compound to produce new ones.
There are different types of chemical reactions but all chemical equations are expressed in a simple way.
Chemical equations are made up of reactants and products.
The reactants are the species on the left hand side of the chemical equation. They are the species combining or breaking down to give the product.
The products are the results obtained from the combination of the reactants. For example in the equation below;
A + B → C + D
A and B are the reactants
C and D are the products.
Learn more:
Chemical equations brainly.com/question/2924195
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Answer:1. Enter the following quantities from Part of the experiment, making sure to use the correct units and correct number of significant figures. a. Mass of beaker b. Volume M NaCl added c. Number of moles of NaCl added to the beaker (theoretical yield): d. Mass beaker + salt e. Number of moles of NaCl recovered (actual yield): f. What is your percent yield for NaCl? 2. In Experiment A, what could cause you to have a percent yield less than 100%?
3. In experiment A, what could cause you to have a percent yield greater than 100%? 4. Enter the following quantities from Part B: Trial 1, making sure to use the correct units and correct number of significant figures a. Mass of the beaker b. Mass of the sodium bicarbonate added to the beaker: Mace at the healer alt for aurat
Call Out OWL c. Mass of the beaker + salt after evaporation: d. Mass of the salt remaining in the beaker after evaporation: 5. Enter the following quantities from Part B: Trial that you calculated on your calculation sheet, making sure to use the correct units and correct number of significant figures. a. How many moles sodium bicarbonate (baking soda) were added to the beaker? b. How many moles NaCl would be made from the moles of sodium bicarbonate added to the beaker? c. How many grams of NaCI would theoretically be made in the reaction of sodium bicarbonate and HCI? d. What is the percent yield in Trial I?
6. Enter the following quantities from Part B: Trial 2, making sure to use the correct units and correct number of significant figures. a. Mass of the beaker b. Mass of the sodium bicarbonate added to the beaker: c. Mass of the beaker + salt after evaporation: d. Mass of the salt remaining in the beaker after evaporation: 7. Enter the following quantities from Part B: Trial 2 that you calculated on your calculation sheet, making sure to use the correct units and correct number of significant figures a. How many moles sodium bicarbonate (baking soda) were added to the beaker? b. How many moles NaCl would be made from the moles of sodium bicarbonate added to the beaker? c. How many grams of NaCl would theoretically be made in the reaction of sodium bicarbonate and HCI?
3/4 5 d. What is the percent yield in Trial 2? 8. How do you determine the reaction of the baking powder and HCl is complete? 9. Choose one of your trial results for the Stoichiometry of a Reaction that is not 100% Give a reasonable explanation why you saw that result 12:15 PM
Answer:
Natural resources are the resources that are available in the nature. There is no human involvement in the production or manufacture of the natural resources. These resources helps in adding capital and growth to the development of the country. Natural resources are found in abundance but they are non-renewable resources. This means that it takes millions of years for their formation. Once exhausted, their replacement would became very difficult. Conversation of the natural resources has been one of the global action. Developed nations are equipped to find ways by which natural resources can be saved and used in a way that they do not extinguish. Many alternative methods and techniques have been adopted to preserve them. Natural resources like oil, gold and coal are performed after going through a process of many years. Hence, there replacement becomes very challenging and difficult respectively.