Consider the following reaction: PH;BCko) 5 PH3e) + BCle) a) The forward rate constant was determined to be 0.00346M's' at 550.0°C and 0.950 M's' at 650.o°C. Calculate the Ea in units of kJ/mol. b) Draw an activation energy diagram to scale for the reaction, above. Be sure to (1) label your axes and (2) show the energy of activation. Es, barrier when given (3) the difference between reactant and product to be AH,=+62.5kJ/mol.

) A 1 gallon bottle of a certain brand of bleach costs $1.49. Determine the cost to buy enough bleach to supply 100.0 grams of active ingredient (NaOCl), assuming 6.25% active ingredient by mass and a density of 1.05 g/ml.

Your doctor prescribed eye drops for you to treat a certain condition. You obtain the eye drop liquid medication in a small bottle containing a total volume 15 ml. Your instructions were to apply 2 drops in each eye at night. Given that the volume of 1 drop is 0.05 ml. Calculate many days will the eye drop liquid medication last?Key: start by calculating how many drops are present in 1 ml

Every year Every second (1 year 365 days).

I am not understanding how to get this. I’ve tried it multiple times on paper and get a different answer every time. Please help

Q: (4.80 x 10^{-107}) X (5.00 x 10^{-11})= a 2.40 x 10^{-96} b 24.0 x 10^{-96} c 2.40 x 10^{-118} d 2.40 x 10^{-117}

An electric current of 481.0 mA transports 530. uC of charge. Calculate the time this took. Be sure your answer has the correct unit symbol and 3 significant digits. 0 x10 X H 8 S

Suppose some measurements are made on two different homogeneous stones to find out if they are made of the same kind of rock. The mass and volume measurements are listed below. Are the two stones the same type of rock? Why or why not? Show all calculations. Mass Volume Calculations Stone 1 58.0 g 20.0 cm Stone 2 50.1 g 15.0 cm3 21/common/assets/pdfjs/1.0.0.30/web/viewer.ht...ndered-pdf&fullscreen=Dd21-fileviewer-rendered-pdf-dialog&height=746#0

Br DH NaCN

For liquid B, you decide to use a 50 mL burette to once again dispense 5.00 mL of liquid B into a convenient container.  You find that the empty container has a mass as 3.05 grams.  After obtaining the mass of the empty container you place it beneath the burette and open the stopcock valve.  Although you try to stop the flow of liquid B at exactly the 5.00 mL mark you overshoot slightly and end up dispensing 5.14 mL. What  is  the  mass  of  liquid-B  that  was  dispensed  if  you  continue  with  the  density determination for liquid B and find that the mass of the container plus the 5.14-mL of liquid B is 7.63-grams?