Questions by Rahat Zaman

Questions by Rahat Zaman

Order the steps for how you will determine the pKa of a weak acid using a titration curve? 1) Prepare a solution of the weak acid 2) Add a strong base to the solution 3) Record the pH of the solution as

asked Oct 9, 2024

1 answer

5 votes

104k views

The points P(1. -2) and Q(7, 1) lie on the circumference of a circle. Show that the centre of the circle lies on the line 4x + 2y = 15

asked Oct 7, 2024

1 answer

4 votes

30.6k views

The specific heat capacity of liquid mercury is 0.14 J/g-K. How many joules of heat are needed to raise the temperature of 5.00 g of mercury from 36.0 °C to 75.0 °C? A.78 J B.27 J C.7.2 x 10⁻⁴ D.1.5 J

asked Sep 3, 2024

1 answer

2 votes

128k views

In damage control, placing supports against the side, beneath, or above a structure to prevent metal fatigue, sagging, and bulging, is known as what process?

asked Apr 18, 2024

1 answer

5 votes

16.7k views

Please help, this is my second time posting this image. PLEASE HELP ASAP!

asked Jan 15, 2024

2 answers

1 vote

25.6k views

1. Take values of length and breadth of a rectangle from user and check if it is square or not.

asked Dec 10, 2023

1 answer

3 votes

199k views

Which places constitute the Bermuda Triangle?

asked Aug 28, 2023

1 answer

24 votes

4.1k views

Lamar is customizing his next pair of basketball shoes. The following table shows the design components and how many options he has for each.How many different shoe combinations can Lamar create?

asked Jun 14, 2023

1 answer

4 votes

182k views

Write the number in decimal form. 3.39 x 1012

asked Mar 11, 2023

1 answer

0 votes

99.8k views

If polyethylene is sold $3.48 per kg and you need 4003.2 kg of polyethylene, how much will you pay?

asked Feb 11, 2023

1 answer

4 votes

29.5k views

When does condensation occur?

asked Jan 18, 2023

1 answer

23 votes

182k views

The population of a town is decreasing at a rate of 2.5% per year. If the population in 2000 was 28,000, what is the expected population in 2015 if this rate of decrease continues?

asked Oct 14, 2022

2 answers

14 votes

203k views

A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 429.0429.0 gram setting. It is believed that the machine is underfilling the bags. A 4040 bag sample

asked Aug 22, 2022

1 answer

7 votes

95.2k views

If y yaries inversely as x and y = 18 when x = 4, what is y when x = 24?

asked Jul 23, 2022

1 answer

5 votes

208k views

Julius Caesar was a __________ in ancient Rome. 2. Co-rule by Caesar, Pompey, and Crassus was called: 3. The highest-ranking position in the Roman Republic was: 4. Caesar instituted the __________ that

asked Jun 22, 2022

1 answer

5 votes

147k views

Help plz why the Fall of the Western Roman Empire (476 C.E.) was a major Turning Point in the world?

asked May 12, 2022

1 answer

15 votes

92.6k views

Need help with this !!

asked Apr 25, 2022

1 answer

1 vote

88.3k views

2. Rewrite the polynomial in standard form. 9 – x2 + 2x5 – 7x

asked Apr 15, 2022

1 answer

9 votes

45.7k views

Given ƒ(x) = 8x + 25, find x when ƒ(x) = 9. A) −2 B) −1 C) 0 D) 2

asked Dec 14, 2021

2 answers

2 votes

195k views

A train 4.00 3 102 m long is moving on a straight track with a speed of 82.4 km/h. The engineer applies the brakes at a crossing, and later the last car passes the crossing with a speed of 16.4 km/h. Assuming

asked Dec 3, 2021

1 answer

0 votes

60.7k views

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