Wyatt Atkins
Chemistry teacher | Verified Expert
I'm a passionate educator with a focus on Chemistry, holding my major from Rhode Island College. My journey through graduate school has equipped me with a deep understanding of the subject. As a tutor, I'm dedicated to fostering a dynamic learning environment, where students can explore the intricacies of Chemistry. Let's unravel the mysteries of molecules and reactions together!
Questions
What volume of diluent must I add to 1 mL of a 4 mg/L solution of dexamethasone to get a concentration of 2.5 mg/L? Bonus: What volume of the diluted solution contains 0.35 mg of dexamethasone?
What NaCl concentration results when 204 mLof a 0.760 M NaCI solution is mixed with 417 mL of a 0.430 M NaCl solution?
When hydrogen is burned, it reacts with oxygen and to produce what?
What are the three different physical states in which water can be found?
How is a catalyst is used in a reaction?
How did Bohr's model of the hydrogen atom differ from the previous model?
What type of reaction is this: Hydrogen (g) + iodine (s) #-># hydrogen iodide (g)?
A sample of iron that has density of 7.833 g/mL has a mass of 94 g. If the sample is in the shape of a rectangular cube, what is the height of the cube if the top is 2 cm x 3 cm?
What is the mass of a nickel slug whose volume is #16.5*mL#?
Calculate molarity of a 20% w/w aqueous solution of sulphuric acid?
What is the formula for magnesium iodide?
One solution contains 55 g #NaCl # per liter. and another contains 55 g #KCl# per liter. Which solution has the higher molarity? How can you tell?
If you are given #2.13 x10^24# atoms Au, how do you determine the moles in the sample and the mass of the sample?
What mass of sodium hydroxide would be equivalent to a #20*mL# volume of acetic acid, for which #rho_"HOAc"=1.049*g*mL^-1#?
A 35.5 g piece of hot metal was added to water at 23.7 ˚C in a calorimeter. If the temperature of the water increased to 43.2 ˚C, how much energy (q) was transferred to the water?
What is the standard enthalpy of the combustion of ethene?
How do I relate equilibrium constants to temperature change to find the enthalpy of reaction?
What do we mean by #H^+# or #H_3O^+# in acid-base chemistry?
A #17.2*g# mass of ethylene glycol was dissolved in a #500*g# mass of water to give a solution of #515*mL# volume. What are....?
Where does the water come from when methyl propanoate forms? What is the formula of the ester?