please the question is in two parts. kindly solve both and explain thoroughly.
please the question is in two parts. kindly solve both and explain thoroughly. Question the pH...
Please explain how to solve Part B and C thoroughly as these are the parts I am stuck on. If you could expand on the theoretical aspect of it I would greatly appreciate it.
please thoroughly explain the concepts and steps used to solve the question!!!! 18. What is the beat frequency of you hold a 25 Hz tuning fork next to a 5 metre long open/open sound tube in its fundamental mode (assume sound speed is 300 m/s)
please help solve both parts, thank you!! 7. Using a calculator, calculate the following parameters and fill-in the spaces provided (6 pts) [H+ pH pOH [OH-| 2.5 x 104M 0.0035 M 6.15 x 10M 2.75 4.2 x 104M 0.0000016 M 102 b) The weak acid, HA, is 0.25% ionized in a 0.35 M solution. ) What is the equilibrium constant (K) for the dissociation of this acid? ii) Calculate the pH of this solution. (5 pts
PLEASE HELP! will rate only if both parts answered! A 0.25 M NaA solution has a pH of 9.25 at 25°C. Calculate the pK value of HA. Calculate the equilibrium concentration of H,CO, and HCO," in 1.0 M Na, Co, at 25°C.
Hi Could someone please kindly solve this Question? Please the formulaes you use, that would be very helpful and please keep work readable and tidy. Thanks. TOTAL MARKS: 25) QUESTION 3 Two very long wires carry a current /out of the page as shown. Also shown are a hypothetical rectangular loop and a coordinate grid. 1 [5 Marks] Q 3(a) What is the direction of the magnetic field at point X? Explain. [5 Marks] Q 3(b) Is the anti-clockwise circulation...
A B Please solve both parts. And explain as much as possible. When 15.0 mL of a 7.71*10-4 Mammonium sulfide solution is combined with 12.0 mL of a 1.07x10+M nickel(II) acetate solution does a precipitate form? (yes or no) For these conditions the Reaction Quotient, Q, is equal to When 22.0 mL of a 4.65*10-4 M calcium iodide solution is combined with 15.0 mL of a 3.22x10M sodium sulfide solution does a precipitate form? (yes or no For these conditions...
Question 6 can you explain? ty kindly 6. Solve the following inequality using the "table of signs" method. (r – 1)(x + 1)(r + 2) -2
calculate the pH for both equations please Exercise 14.69 HO1-7.0x10 M Express your answer using two decimal places. Review | Constants l Periodic Table Calculate the pH of each solution. pH- Submit Previous Answers Request Answer Incorrect; Try Again; 3 attempts remaining ▼ Part C [H30' 1-62x10-6 M Express your answer using two decimal places. pH-
Please explain to me how I solve this Calculate the pH of a 0.2 M acetate buffer (pKa = 4.77) that contains twice as much acid as conjugate base. Calculate the pH of the solution that results following the addition of 10mL of 1M NaOH to 40mL of 1M NH_4C1 Ka = 5.62 times 10^-10
Please explain steps thoroughly of how one would solve this using technology. Is there also a way to avoid using the standard normal table or is it necessary? thanks! A particular fruit's weights are normally distributed, with a mean of 456 grams and a standard deviation of 7 grams. If you pick 21 fruits at random, then 16% of the time, their mean weight will be greater than how many grams? Give your answer to the nearest gram.