The following information is available for Spruce Corporatio…

The following information is available for Spruce Corporation for a sales volume of 500 stereo speakers for the past month:   Total Per Unit Sales $112,500 $225 Less: Variable expenses    40,000    80 Contribution margin $ 72,500 $145 Less: Fixed expenses $ 17,500   Net operating income $ 55,000   If sales increase by $51,750, net income will increase by what amount?

You have 25.00 mL of a 0.1000 M sugar solution. How much wat…

You have 25.00 mL of a 0.1000 M sugar solution. How much water (mL) must be added to make a 0.01789M solution?   STATE JUST YOUR ANSWER INCLUDING UNITS IN THE TEXT BOX BELOW. Do not show work in the text box.  # your question on scratch paper and label answer,  Include units   If your number is in scientific notation use the superscript or subscript buttons in the task button up in the task bar above. Show all work or receive no credit Show work to webcam upon completion of this problem.  Show units and chemical name or formulas if applicable.   Spelling counts.  Sig Figs will not count unless otherwise stated.  You will be asked to scan all your work at the end of the exam.

The reaction A → B + C is known to be zero order in A with a…

The reaction A → B + C is known to be zero order in A with a rate constant of 5.0 × 10–2 mol/L·s at 25°C. An experiment was run at 25°C where [A]0 = 1.0 × 10–3 M.  How much time (minutes) must elapse before the concentration falls to 3.0 x 10-5 M?   STATE JUST YOUR ANSWER INCLUDING UNITS IN THE TEXT BOX BELOW. Do not show work in the text box.  # your question on scratch paper and label answer,  Include units   If your number is in scientific notation use the superscript or subscript buttons in the task button up in the task bar above. Show all work or receive no credit Show work to webcam upon completion of this problem.  Show units and chemical name or formulas if applicable.   Spelling counts.  Sig Figs will not count unless otherwise stated.  You will be asked to scan all your work at the end of the exam.