# Maricela

Popular questions and responses by Maricela
1. ## chemistry

A sample of CaCl2⋅2H2O/K2C2O4⋅H2O solid salt mixture is dissolved in ~150 mL de-ionized H2O. The oven dried precipitate has a mass of 0.253 g. The limiting reactant in the salt mixture is K2C2O4⋅H2O. Determine Mass of K2C2O4⋅H2O(aq) in Salt Mixture

2. ## human relations

A major obstacle to developing good human relations skills is that A.human relations aren't rewarding. B. Few persons have common interests. C. Common interests wont help to keep a conversation going. D.people fear taking risks.

3. ## math

A box with a rectangular base and rectangular sides is to be open at the top. It is to be constructed so that its width is 8 meters and its volume is 72 cubic meters. If building this box costs \$20 per square meter for the base and \$10 per square meter for

4. ## calculus

A format for textbook page layouts is to be chosen so that each printed page has a 4-cm margin at the top and at the bottom and a 2-cm margin on the left and right sides. The rectangular region of printed matter is to have an area of 800 sq. cm. Find the

5. ## maxima/minima problems

A regular box is open at the top and has a square base. To construct the box costs \$4 a square foot for the base and \$3 a square foot for its sides. Find the cost of the least expensive box and the dimensions of this least expensive box. There is not

6. ## Science

suppose that sunlight falls on both a pair of reading glasses and a pair of dark glasses. Which pair of glasses would you expect to become warmer? defend your answer.

7. ## calculus

Find the area of the largest rectangle that has its lower base on the x-axis and its upper vertices on the parabola whose equation is given by Y=12-x^2. i graphed the equation but its gives me a parabola, so i don't know what to do after that

8. ## Geography

Hot air balloon A is raising upward at a rate of 10.0 m/s. A passenger aboard balloon A observers balloon B going down at a relative rate of 12.5 m/s. What is the velocity of balloon B relative to the group?

9. ## human relations

Which of the statements is true? A.Waste isn't a problem in reaching group goals. B.individual productivity is more important than group productivity. C. Sacrifice isn't necessary to achieve group goals. D. Individual productivity Is necessary for group

10. ## chemistry

Suppose the concentration of sodium in Phoenix tap water is 70 ppm (mass based), then what is the concentration of sodium in milligrams per liter? The density of water is 1 g/mL. The answer units are mg/L.

11. ## MATH HELP

A Norman window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 50.700 ft. give the area A of the window in square feet when the width is 8.800 ft. Give the answer to two decimal places.

12. ## Fractions

Mother saved 7/8 of a pie for dinner. Her son came home from school and ate the pie. How much pie is now left for dinner

1. ## physics

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posted on February 23, 2019
2. ## Math

ITS 30

posted on May 17, 2017
3. ## Math

208

posted on June 29, 2016
4. ## english

Click on the box to choose whether each sentence restates the key idea expressed in the key sentence. Key Idea: When hot weather arrives and the nation takes to the outdoors, mishaps multiply. Drowning is the fourth most frequent cause of accidental

posted on February 29, 2016
5. ## art 101

a. if it is a painting d. if it is a sculpture

posted on December 5, 2010
6. ## Art

c. calligraphy

posted on December 5, 2010