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What is the mole fraction of the solvent that contains 10.0 grams of Phosphorus pentachloride that has been dissolved in 750 mL of water?
What is the mole fraction of the solute that contains 10.0 grams of Phosphorus pentachloride that has been dissolved in 750 mL of water?
What is the percentage by mass of the solution that contains 10.0 grams of Phosphorus pentachloride that has been dissolved in 750 mL of water?
How many mL of hydrogen peroxide are needed to make an 11.3% solution by volume of hydrogen peroxide if you want to make 689 mL of solution?
write a program that displays the following menu:
Geometry Calculator
1. Calculate the Area of a Circle
2. Calculate the Area of a Rectangle
3. Calculate the Area of a Triangle
4. Quit
- The must be a main function that will display the menu and will ask for user's choice.
- For each choice 1, 2 and 3, create an appropriate user-defined function for each task.
- Provide validation for input.
Score will be updated after checking for the following:
- 40 points deduction if there is no user defined function created at all.
- 20 points deduction if all user defined function are void functions and no arguments.
Input
1. data
Output
Geometry·Calculator
1.·Calculate·the·Area·of·a·Circle
2.·Calculate·the·Area·of·a·Rectangle
3.·Calculate·the·Area·of·a·Triangle
4.·Quit
Choice:·2
Enter·length:·5
Enter·width:·4
The·area·of·the·rectangle·with·length·5·and·width·4·is·20.
Geometry·Calculator
1.·Calculate·the·Area·of·a·Circle
2.·Calculate·the·Area·of·a·Rectangle
3.·Calculate·the·Area·of·a·Triangle
4.·Quit
Choice:·4
Bye!You want to create a 0.25 M Sodium Bicarbonate solution. You weigh 5.00 grams of Sodium Bicarbonate. How much water is needed?
1. A sample of gaseous uranium hexafluoride, UF6, is held at a temperature of 300 K and a pressure of 0.1 mbar. The collision diameter of UF6 is 0.40 nm. (i) Calculate the root-mean-square (r.m.s.) speed of the molecules. Make sure to show all units in your working and how the units cancel out. [5 marks] (ii) Estimate the mean free path and collision frequency under these conditions. [10 marks]
create a java program will concatenate the basic information of the students given the default variables name
The budgeted and standard data for productivity include the following
Direct labour
Ten employees work for 45 hour a week. The standard rate of pay is ksh 4 per hour. Output per hour is 40 kg of the product.
Direct material
Material quantity kg price per kg
X 60 2.00
Y 40 1.00
Z 100 1.40
From this standard matrix 180 kg of product is expected
Actual data for first week in April were as follows
Hours worked 45
Rate of pay ksh 4 per hour
Overhead incurred ksh 5400
Output 1980 kg
Production and consumption of materials were as follows:
Material Quantity (kg)
X 700
Y 440
Z 1120
Required
Calculate the following direct material variance for each material (10mks)
Total
Price
Usage
mix
Calculate the direct labor efficiency variance (10mks)
Write a PL/SQL program to check whether a date falls on weekend i.e. SATURDAY or SUNDAY input give input as 5sep 1984
