Determine what was the unknown volume
If the final temperature is 23.5 degree C, what was the unknown volume? (Assume that no heat is lost to the surroundings; d of water = 1.00g/mL) An unknown volume of water at 18.2 degree C. is added to 24.4 mL of water at 35.0 degree C.
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The human eye can readily sense wavelengths from around 400 nm to 700 nm. When white light illuminates a diffraction grating having 750 lines/mm, over what range of angles does the visible m = 1 spectrum expand?
Using Maxwell's relation, calculate whether the entropy of silicone increases, decreases, or stays the same when it is compressed by increasing the P at constant T. Silicone is a biomaterial that expands when heated at constant pressure.
Explain how much heat in kJ is formed by the reaction of 3.48 mol of carbon dioxide? Consider the reaction, 2C4H10(g) +13O2(g) ---> 8CO2(g) +10H2O(l), for which ΔH = -5760kJ.
A double slit is illuminated concurrently with orange light of wavelength 600 nm and light of an unidentified wavelength. The m = 4 bright fringe of the unknown wavelength overlaps the m = 3 bright orange fringe. Determine the unknown wavelength?
Assume points A,B,C, and D are noncollinear, and vector AB + vector CD = 0. Find relationship between vector AB and vector CD?
The separation among the slits is 0.53mm, and the first order maximum of the interference pattern is at an angle of 0.055degrees from the center of pattern. Determine the wavelength of the laser light? Answer must be in units of nm.
In aqueous solution, the hydrogen sulfate ionHSO4-, dissociates according to the Explain how might sodium hydrogen sulfate be used to prepare a buffer solution?
A mass of 50 kg, primarily at rest, is pushed up an inclined plane through a 400N force acting parallel to the plane. After moving 3.0m up the plane, the mass is moving having a speed of 2 m/s. Determine how much work was done by friction? (The in
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Identify and discuss three ethical guidelines that are important to consider when designing an 8-week group for adolescents who are referred
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