What volume ofconcentrated hcl is required
Hydrochloric acid is usually purchased in a concentration form that is 37.0% HCl by mass and a density of 1.20 g/mL. What volume ofconcentrated HCl is required to prepare 2.0L of 0.500 M HCl?
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Derive the reliability function and determine the reliability for the first year of operation. Compute the MTTF. What is the design life for a reliability of 0.95?
Suppose no heat is lost to the environment in this process, what will be the final temperature of the water after the quenching process?
Water softeners often replace calcium ions with in hard water with sodium ions. However, the FDA recommends that adults ingest lessthen 2.5g of sodium per day.
For a science fair competition, a group of high school students build a kicker-machine that can launch a golf ball from the origin with a velocity of 39.5 m/s and initial angle of 30.4° with respect to the horizontal. How high will it be at th
A parallel-plate air-filled capacitor having area 44 cm2 and plate spacing 5.0 mm is charged to a potential difference of 850 V. Find the following values. (a) the capacitance
A rechargeable battery is constructed based on a concentrationcell constructed of two Ag/Ag+ half-cells. The volume of eachhalf-cell is 2.0 L and the concentrations of Ag+ in the half-cells are 1.35 M and1.1×10-3 M.
Point charges of +2.00nC and -5.00nC are arranged on two of the vertices of an equilateral triangle. Find the magnitude and sign of the third charge which must be placed at the 3rd vertex of the triangle so that the potential at a point on the sid
What is its MTTF before waranty and what is MTTF after the warranty period assuming it survived?
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