In September 2024
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Prepare a text file contains the name, age, id number, programme and coursework marks for each student in a class of at most 10 students.
Write a menu-driven program that allows entering queries as many times as he or she wishes. The menu should offer the following options:
What happens if you have two values with no operator and a space in between them and why?
Find the order of decreasing acid strength between CH3CF2COOH, CH3CHClCOOH, CH2ClCH2COOH, and CH3CH2COOH
I put Php10,000 into a fund today which earns 8% compounded annually. One year from now, I put in Php20,000. If I wish to withdraw my accumulated funds in five equal amounts starting 2 years from now, how much can I obtain on each withdrawal?
A town has a population of 2000 and grows at 4% every year. What will be the population after 15 years, to the nearest whole number?
A 3 kg block moving to the right on a frictionless table at 4 m/s makes a head on collision with another 3 kg block moving 5 m/s to the left.
Choose one chemical that humans add to water that is not present in lake water. Explain its purpose.
The Ministry of Natural Resources has sent you to sample two small lakes that are being considered sites for a fish farm. Below is the data you obtained during your sampling. Compare the sites and provide your recommendation for the best site. Provide your reasoning.
SITE A
Nitrate - 5pm
Phosphate - 3ppm
Dissolved O2 - 5.0ppm
pH - 6.8
SITE B
Nitrate - 1pm
Phosphate - 1ppm
Dissolved O2 - 9ppm
pH - 8.0
you are asked to identify two clear, colourless beakers full of solution as acidic or basic. State what you would expect to see if beaker A was an acid and beaker B was a base for each of the following properties:
BEAKER A vs BEAKER B
- Conductivity
- pH
- Bromothymol blue
- Reaction with zinc
- Taste
Bacteria and viruses are inactivated by temperatures above 137
∘
C
∘C in an autoclave. An autoclave contains steam at 1.00 atm
atm and 100
∘
C
∘C.
At what pressure, in atmospheres, will the temperature of the steam in the autoclave reach 137
∘
C
∘C, if n
n and V
V do not change?
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#340153 on Dec 2023