How many moles of hcl are present in the solution
A flask containing 5.oo mL of 3 M HCl solution requires 14.45 mL of1.00 M NaOH for titration. How many moles of HCL are present in the solution? The density of 3 M HCl is 1.05 g/mL.
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A nutritionist wants to study the effect of storage time (6, 12, and 18 months) on the amount of vitamin C presents in freeze dried fruits when for these length of time. Vitamin C is measured in milligrams per 100milligrams of fruit. Six fruit pac
An electron moving to the right at 9.0*10^5 m/s enters a uniform electric field also directed to the right. If the electron is to be brought to rest in the space of 6.5 cm, what is the strength of the field?
How can you calculate an empirical formula if you are given the percent of each element present but not the molar mass?
Calculate the enthalpy change of the nitrogen during the process and the work done by the nitrogen against the piston and the surrounding atmosphere if the process is internally reversible.
Heat is added to the gas under constant pressure until the volume doubles. Calculate the initial volume and final temperature of the air.
What is Degradation? and what are some ways it is prevented? I did a cell fractioning experiment and I have to explain degradation and ways to prevent it?
An electron starts from rest 76.5 cm from a fixed point charge with Q = -0.125 µC. How fast will the electron be moving when it is very far away?
The vessel is heated until the water pressure reaches 8 MPa. Determine the following properties of the water at the final state: (a) temperature; (b) enthalpy; (c) internal energy.
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Identify factors that lead to poor performance in STEM by most schools. How can INSET programs be used to improve teacher's pedagody in STEM?
In this week's video, what stood out the most to me was how clearly research separates what "looks helpful" from what actually works.
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Describe a social condition in your community or the community of someone you know. How did that social condition motivate active citizens to exercise
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