Questions by Karim Sinouh

Questions by Karim Sinouh

A sample of an industrial waste water is analyzed and found to contain 15.2 ppb Cu2+. How many grams of copper could be recovered from 1.23×10^3 kg of this waste water?

asked Aug 6, 2023

1 answer

16 votes

164k views

Use your calculator to work out a) (1.8 × 10⁹) + (6.2 × 107) b) (6.4 x 10-¹¹) - (5.3 × 10-¹2) Give your answers in standard form.

asked Apr 5, 2023

2 answers

1 vote

192k views

Which type of sentence is this? The award-winning writer Maya Angelou composed "On the Pulse of the Morning" at the request of President Bill Clinton and recited the poem at his inauguration in 1993.

asked Mar 10, 2023

1 answer

19 votes

272k views

Please help me with these 2 and explain ty

asked Mar 8, 2023

1 answer

25 votes

42.0k views

Unlike clinical psychology, counseling psychology Multiple Choice involves diagnosing and treating problems that range from the crisis of everyday life to more extreme conditions. unites the areas of neuroscience

asked Dec 16, 2022

1 answer

0 votes

53.5k views

For a stationary observer, when the source of a sound is moving , its ______ A- Amplitude increase B- pitch appears to change C- Speed increases D- decibel level decreases

asked May 3, 2022

1 answer

14 votes

478k views

25 points! Help (Vectors)

asked Apr 9, 2022

1 answer

43 votes

209k views

Help me pleaseeeeeeeeeeeeeeee

asked Apr 9, 2022

1 answer

17 votes

14.6k views

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