Dolomite, [CaMg(CO₃)₂] is found in a soil sample. A geochemist titrates 24.65 g of soil with 57.85 mL of 0.3315M HCl. What is the mass % of dolomite in the soil? ( Write answer to two decimal places, ex. 15.77)

Following is the acid/base reaction which occurs during the titration: CO₃^-2_(aq) + HCl_(aq) --> HCO₃^-_(aq) + Cl^-_(aq)

4) Cost per equivalent unit of direct materials and conversion

We usually write numbers in decimal form (or base 10), meaning numbers are composed using 10 different “digits” {0,1,…,9}.{0,1,…,9}. Sometimes though it is useful to write numbers hexadecimal or base 16. Now there are 16 distinct digits that can be used to form numbers: {0,1,…,9,A,B,C,D,E,F}.{0,1,…,9,A,B,C,D,E,F}. So for example, a 3 digit hexadecimal number might be 2B8.

How many 3-digit hexadecimals are there in which the first digit is E or F?

How many 4-digit hexadecimals start with a letter (A-F) and end with a numeral (0-9)?

How many 4-digit hexadecimals start with a letter (A-F) and end with a numeral (0-9)?

In a recent survey, 43 students reported whether they liked their potatoes Mashed, French-fried, or Twice-baked. 24 liked them mashed, 23 liked French fries, and 12 liked twice baked potatoes. Additionally, 11 students liked both mashed and fried potatoes, 9 liked French fries and twice baked potatoes, 10 liked mashed and baked, and 2 liked all three styles. How many students hate potatoes? Explain why your answer is correct.

How many positive integers less than 975 are multiples of 8, 7, or 9? Use the Principle of Inclusion/Exclusion.

We want to build 5 letter “words” using only the first n=12n=12 letters of the alphabet. For example, if n=5n=5 we can use the first 5 letters, {a,b,c,d,e}{a,b,c,d,e} (Recall, words are just strings of letters, not necessarily actual English words.)

1. How many of these words are there total?
2. How many of these words contain no repeated letters?
3. How many of these words start with the sub-word “ade”?
4. How many of these words either start with “ade” or end with “be” or both?
5. How many of the words containing no repeats also do not contain the sub-word “bed”?

Consider a saturated solution of the salt MX3, which M is a metal cation with a 3+ charge and X is an anion with a 1− charge, in water at 298 K. Which of the following will affect the Ksp of MX3 in water?a. diluting the solution. b. raising the temperature of the solution. c. more than one of the above factors. d. addition of more M3+ to the solution e. the addition of more X- to the solution.

Energyshot is a new energy drink that is about to be introduced into the global market. You are the executive in charge of marketing it in some of the lesser developed countries such as Honduras and Haiti. You are aware that food and milk in these countries is more expensive than Energyshot. Your boss thinks that one television advertisement campaign should be sufficient for all markets, just changing the translation to suit the language differences.

• Discuss what effect an advertising campaign touting how “the boost of energy from Energyshot will last the whole day!” will impact these lesser developed countries.
• What are the ethical and social responsibility ramifications of a populace too poor to afford much food using this drink instead?
• What would you do as the marketing manager for this drink for these countries?

Problem 1: During the month, EKM Enterprise purchased $100,000 in raw material on account, used $150,000 in direct labor hours, and used $100,000 in direct raw materials. EKM Enterprise applies overhead at a rate of 200% of direct labor. No products were finished during the period. Prepare the necessary journal entries including the purchase of raw materials.

An electron is accelerated inside a parallel plate capacitor. The electron leaves the negative plate with a negligible initial velocity and then after the acceleration it hits the positive plate with a final velocity β. The distance between the plates is 11.0 cm, and the voltage difference is 147 kV. Determine the final velocity β of the electron using classical mechanics. (The rest mass of the electron is 9.11×10^-31 kg, the rest energy of the electron is 511 keV.)

What is the final velocity β of the electron if you use relativistic mechanics?

There is a region with a constant magnetic field 6.31T . The magnetic field is directed out of the page. A conducting rod moves with a velocity of 1.58m/s , along a V shaped wire that is in the shape of a right triangle. At time = 0 s the rod is at the vertex of the triangle where the angle at the vertex is 19degrees . The right angle is where the conducting rod is. This means the rod is moving along the x axis and the rod is the y axis.

What is the emf induced in the rod after it has moved from the vertex for a time of 10.9s ?

What is the current induced in the rod if the resistance is 5.31ohms ?

What is the power in the rod?

A 42-year-old man presents with an 8-hour history of testicular pain, which is increasing in

severity. He is in acute distress by the time you see him and complains of groin pain. He

notes some urinary frequency and nausea. His physical ex is unremarkable with

normal testicular and scrotal ex and mild left costovertebral angle tenderness.

Urinalysis reveals significant microscopic hematuria.

Questions:

1. Will you treat and/or refer? What follow-up is needed?

2. What education is needed for this patient for the future?

3. Are there any complementary therapies to assist this patient in control of his underlying condition long range? Support with evidence from the literature.

Given a queue of integers, write an algorithm in Pseudocode that, using only the queue ADT, calculates and prints the sum and the average of the integers in the queue without changing the contents of the queue.

It's your birthday, and to celebrate you're going to make your first bungee jump. You stand on a bridge 120 m above a raging river and attach a 30-m -long bungee cord to your harness. A bungee cord, for practical purposes, is just a long spring, and this cord has a spring constant of 45 N/m . Assume that your mass is 71 kg . After a long hesitation, you dive off the bridge.

Part A

How far are you above the water when the cord reaches its maximum elongation?

Express your answer with the appropriate units.

I need an equation for finding the veocity of water at the end of an incline.

• the velocity at the top is 0
• the incline is a right triangle with a hieght of 3000ft and a base of 9 miles
• the fluid is water
• the depth of the water is 3ft