Search & Filtering
What will the volume of a sample be if 335 mL of an ideal gas at 24 °C and 1.08 atm is cooled to 17 °C and 0.976 atm?
When adding 127.345 and 1.3 ,the results on the calculator is 128.645.round the answer to the appropriate precision based on the precision of the numbers in the sum
A dietary supplement contains different types of essential amino acids. A
nutritionist wants to specifically see what type of amino acids are in the
supplement in order to recommend it to her clients. Thus, what type of technique
does she use to separate amino acids? Explain using a diagram.
You have taken measure four times.To demonstrate that your measurement is repeatable ,is it more desirable that there is a low standard deviation or high standard deviation?
Calculate standard deviation using Bessel correction of the three values given below
21
22
23
how many grams of silver iodide, AgI, are produced from 55.3
55.3 g of calcium iodide, CaI2?
An unknown element (Y) is a nonmetal and has a valence electron configuration of ns²np4. (i) How many valence electrons does this element have? (ii) What is the formula of the compound this element would form with potassium? (iii) Would this element have a larger or smaller radius than barium? (iv) Would this element have a greater or smaller ionization energy than fluorine?
At what temperature will 4.15g of CO2 exert a pressure of 855 mmHg at a volume of 650 ml? (make sure to turn grams into moles)
Enter the electron configuration for Ne
Calculate the volume of 2.30 moles of gas exerting a pressure of 2.80 atm at 155°C.
