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1500kg of steam is to be produced per hour with an enthalpy of 3077kj/kg. The feed water supplied to the boiler has an enthalpy of 167.5 kj/kg. The velocities of the water at inlet and the steam at exist are 2m/s and 45m/s respectively. Find the rate of which heat must be supplied to the boiler.
Sodium reacts with water to produce hydrogen gas and sodium hydroxide. How many grams of H2(g) are produced when 5.0 g Na reacts with 100.0 g of water?
1. Create a C++ program to accept two integers and check if it is greater than or equal to 20.
2. Build a C++ program to read the temperature in centigrade and display a suitable message according to the temperature state below: (nested-if else/switch case)
Temp < 0 then Freezing weather
Temp 0-10 then Very Cold weather
Temp 10-20 then Cold weather
Temp 20-30 then Normal in Temp
Temp 30-40 then it is Hot
Temp >=40 then it is Very Hot
Example input: 42
Expected Output:
It is very hot.
A Carnot engine has a power output of 139 kW. The engine operates between two reservoirs at 16◦C and 658◦C.
(A)How much thermal energy is absorbed each hour? Answer in units of J
(B)How much thermal energy is lost per hour? Answer in units of J.
A liquid C6H12O2, was hydrolized with water and acid to give an acid A and an alcohol B. Oxidation of B with chromic acid produced A. This formula of the original compound is?
What do you understand by non rigid rator explain how it's spectra differ from rigid rotor
The mean annual salary of all the frontlines (nurses, medical technologists,radiologic technologists, phlebotomists) in the philippines is php 42,500.assume that this is normally distributed with standard deviation php 5,600.a random sample of 25 health workers is drawn from this population, find the probability that the mean salary of the sample is:
The mean annual salary of all the frontlines (nurses, medical technologists,radiologic technologists, phlebotomists) in the philippines is php 42,500.assume that this is normally distributed with standard deviation php 5,600.a random sample of 25 health workers is drawn from this population, find the probability that the mean salary of the sample is: a. Between Php 40,400 and Php 45,000
ID Card: In Rahul's college, every student is uniquely identified by a string(unique id) which is printed on the ID card of the student.This unique id is comprised if letters and digits separated by hyphens into groups of different lengths.The college administration decides to standardize this unique id on the ID card by regrouping the letters of the previous unique id to a fixed group length.The college administration also does not want to have lowercase letters in the new id .You need to help the college administration with this task.Given the previous id, and the n0.of characters to group (group length),you need to generate the new id.NOTE: While generating the unique id,group the characters from right to left.
INPUT: The first line contains a string S representing a unique id.
Second line contains an integer N representing group length.
OUTPUT: Output should be a single string representing the new unique id.
INPUT:
2-4A0r7-4k
3
OUTPUT:
24-A0R-74K
INPUT:
5F3Z-2e-9-w
4
OUTPUT:
5F3Z-2E9W
A bag contains 4 red, 3 pink, and 6 green balls. Two balls are drawn but the first ball drawn is not replaced.
a. find P(red, then pink) b. find P(pink then pink)
#340153 on Dec 2023