Calculate the ph of a solution prepared by dissolving
Determine the pH of a solution prepared by dissolving the 0.27moles of formic acid (HCOOH) and 0.37 moles of sodium format (NaCOOH) in 2.00L solution. (Ka=0.00018)
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A chemist on another planet performed the Millikan oil-drop experiment and measured the following charges in his planet's unit for charge, the bot: 2.62 x 10-13 bots; 3.93 x10-13 bots; 6.55 x 10-13 bots. Find out the electron's charg
British Columbia's own Steve Nash is current all-time NBA leader with success percentage of 90.4% based upon 2,794 made free throws out of 3,091 attempts. We are interested in whether Nash is really better than Bird, or whether the percentage disc
The adult burns 2.0*103 Cal per day. An adult eats food whose nutritional energy totals approximately 2.2*103 Cal per day. Discuss how much excess nutritional energy, in kilojoules, does the adult consume per day?
Find how many employees should start at which times of day to meet the requirements with minimum cost. Ensure that number of employees starting at every hour is integer valued.
Standing on the surface of a small spherical moon having radius 5.13 x 104 m and whose mass is around 6.11 x 1018 kg, an astronaut throws a rock of mass 1.67 kg straight upward with the initial speed of 20.7 m/s. (This moon is too small to encompass
Discuss why does sealing the open end of a melting point capillary tube allow you to measure the melting point of a compound that sublimes?
An experiment was conducted to study the effect of four drugs on blood pressure. The results are given in the following table
Let consider a dielectric mirror to be employed in a He-Ne laser of 623 nm. This mirror is composed of alternating layers of MgF2 (n = 1.38) and TiO2 (n = 2.41). This material is to be coated on the crown glass substrate (n = 1.50). i) Which mater
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