Determine the mass of solution the student should use
Determine the mass of solution the student should use. A chemistry student requires 75 g of thiophene for an experiment. He has available 0.50 kg of a 29.3% w/w solution of thiophene in carbon tetrachloride.
Expected delivery within 24 Hours
For five points, express the multinomial coefficient 10M{2,3,5} as a product of binomial coefficients. Hint: the first one is10C2. For five more points, give a general formula for calculating the multinomial coefficient nM{a,b,c,d}, where a+b+c+d=n.
The far point of a near-sighted person is 6.5 m from her eyes, and she wears contacts which facilitate her to see far-away objects clearly. A tree is 23.8 m away and 2.8 m high.
School wishes to build the wheel-chair ramp, with the incline of 15 degrees, from ground to door. How much horizontal distance is required for ramp?
Your friend consists of a near point of 121 cm, and she wears contact lenses that encompass a focal length of 37.0 cm. Explain how close can she hold a magazine and still read it clearly?
Determine the wave length of a neutron that has a velocity of 200. cm/s ( the mass of a neutron = 1.675 x 10-27kg.
At one instant, force = 7.47 N acts on the 0.191 kg object which consists of position vector of (2.97 -2.97) m and velocity vector (-5.47 + 5.47) m/s. About the origin and in unit-vector notation, determine (i) the object's angular momentum and (i
Explain what would be the density of gaseous silane (SiH4) at 24 °C and 746mmHg? (mass/volume) Discuss in detail.
A transverse wave on a string consists of an amplitude A. A tiny spot on the string is colored red. As one cycle of the wave passes by, determine the net distance traveled by the red spot?
1935764
Questions Asked
3,689
Active Tutors
1427024
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
A nurse is caring for a 4-year-old with a fever, rash, redness, swelling of the hands and feet, and cervical lymphadenopathy.
Problem: Which of the following can help prevent hemorrhage during a crown prep procedure?
If a measurement instrument provides a status bar for a self-administered mobile survey, this action contributes to fulfilling which responsibility?
How does the approval of STEM status affect the nursing profession? What are your two key take aways?
Write a response to my classmate, How does informatics impact public health and our public health systems. Informatics impact public health
Problem: The nurse is monitoring the intake and output of a client with deep partial-thickness or second-degree burns.
The client with a history of right mastectomy is receiving maintenance IV fluids via a peripherally inserted intravenous line in the left cephalic vein.