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Your answer is partially correct. Try again. How many grams of vitamin B12 are present in...
How many grams of vitamin B12 are present in a 200.0 mL blood serum sample with a vitamin B12 concentration of 187 ng/L?
Question 7 Your answer is partially correct. Try again. What is the total charge of 111 kg of electrons? Number 1950000000000 units The number of significant digits is set to 3; the tolerance is +/-1 in the 3rd significant digit Click if you would like to Show Work for this question: Open Show Work
Please answer all problems. Chapter 18, Problem 33 Your answer is partially correct. Try again. Four point charges have the same magnitude of 2.6 × 10-12 C and are fixed to the corners of a square that is 4.5 cm on a side. Three of the charges are positive and one is negative. Determine the magnitude of the net electric field that exists at the center of the square. Number 1159.99038616 Units T N/C the tolerance is +/-296 Open Show...
Get help answering Molecular Drawing questions Your answer is partially correct. Try again. Draw the structure of the final product ? NaOH, H20 NaOMe BrCH2CH2CH2CH2CH 2Br NaOMe CHзон CHзон heat heat O CH3 Edit CH3 Н.С no reaction Open Show Work Click if you would like to Show Work for this question:
19, Your answer is partially correct. Try again. For some material, the heat capacity at constant volume Cy at 22 K is 0.81 J/mol-K, and the Debye temperature is 327 K. Estimate the heat capacity (in J/mol-K) (a) at 44 K, and (b) at 472 K. (a T6.48 J/mol-K (b) TT 7999.134 J/mol-K Click if you would like to Show Work for this question: Open Show Work
Focus on Concepts, Question 20 Your answer is partially correct. Try again. Light of wavelength 500 nm is incident on a diffraction grating that has 1.67 x 103 lines/cm. What angle does the second principal maxima make with respect to the central principal maximum? 9.3 0 = Number Units (degrees) the tolerance is +/-2% Click if you would like to Show Work for this question: Open Show Work
Chapter 18, Problem 017 Your answer is partially correct. Try again. An aluminum cup of 100 cm3 capacity is completely filled with glycerin at 15°C. How much glycerin will spill out of the cup if the temperature of both the cup and glycerin is increased to 44°C? (The linear expansion coefficient of aluminum is 23 x 106 1/C°. The coefficient of volume expansion of glycerin is 5.1 x 104 1/Co.) UnitscmA3 Number T.67 the tolerance is +/-9% Click if you...
Chapter 20, Problem 054 Your answer is partially correct. Try again. A 61- loudspeaker, a 8.6-22 loudspeaker, and a 2.8-12 loudspeaker are connected in parallel across the terminals of an amplifier. Determine the equivalent resistance of the three speakers, assuming that they all behave as resistors. Number Units the tolerance is +/-2% Click if you would like to Show Work for this question: Open Show Work SHOW HINT
Your answer is partially correct. Try again. An electron is constrained to the central perpendicular axis of aning of charge of radiut 30 m and charge 0.04 m. Suppose the electron is released from rost a distance. 051 m from the ring center oscillates through the ring center calculate its period (The clectron is always much closer to the ring center than a radius) united Number 1.287 the tolerance is +/-39 Click if you would like to show Work for...
ignment > Open Assignment Brief Exercise 9-2 Your answer is partially correct. Try again. Paige Company estimates that unit sales will be 10,700 in quarter 1. 12.400 in quarter 2. 14,600 in quarter 3, and 18.700 in quarter 4. Using a sales price of $83 per unit Prepare the sales budget by quarters for the year ending December 31, 2020. PAIGE COMPANY Sales Budget For the Year Ending December 31, 2020 Ouarter Click if you would like to Show Work...