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• Student from Newbury Park, United States asked a question
A minute ago · · in Mole Ratios
• Meave60 wrote a comment
"According to the comment by Gabriel, who asked the question, the temperature remains constant, so you would use Boyle's law to determine ..."
14 minutes ago · · in Ideal Gas Law
The new volume is 1.23 L. If the temperature is constant, then you would use [Boyle's ... (more)
28 minutes ago · · in Ideal Gas Law
• Amana P. wrote an answer
you decide to go ahead and use it in the experiment, recording the temperatures as they appear on the thermometer. How will this use of ... (more)
45 minutes ago · · in Colligative Properties
P = pressure PV= nRT V= volume T = temperature PV/T= ... (more)
An hour ago · · in Ideal Gas Law
2 hours ago · · in Balancing Chemical Equations
• Student from Lawrenceville, United States asked a question
2 hours ago · · in Elements
• Student from Chicago, United States asked a question
3 hours ago · · in Dipole-Dipole Interactions
When no masses are given for the reactans, go by lowest number of moles as an indicator of a possible [limiting ... (more)
3 hours ago · · in Limiting Reagent
[Density](http://socratic.org/chemistry/measurement-in-chemistry/density) is defined as mass per unit of volume, which means that, for two ... (more)
3 hours ago · · in Density
The thimble contains 3.3xx10^(-4) moles of water. 1 "mole water molecules" = 6.022xx10^23 "water molecules" 2.0xx10^20 cancel ... (more)
4 hours ago · · in The Mole
The thimble contains 3.3 * 10^(-4) moles of water. To go from number of molecules to moles and vice versa, you can use **Avogadro's ... (more)
4 hours ago · · in The Mole
• Darwin S. wrote an answer
Heat lost equals heat gained. The hot metal transfers heat to the cooler water until both temperatures are equal. The equation for heat ... (more)
5 hours ago · · in Specific Heat
6 hours ago · · in Balancing Chemical Equations
• Chuck W. wrote an answer
The heat required is equal to the mass of ethanol (193 g) multiplied by the specific heat capacity (2.46 J/g-C) times the desired ... (more)
6 hours ago · · in Specific Heat
• stefan_zdre wrote a comment
"Apologies, MeneerNask...hey, we've managed an almost perfect timing on our answers, I was off by just 32 seconds :D"
7 hours ago · · in Specific Heat
You know the [specific heat](http://socratic.org/chemistry/thermochemistry/specific-heat) of ethanol, which represents the amount of heat ... (more)
7 hours ago · · in Specific Heat
[Specific heat](http://socratic.org/chemistry/thermochemistry/specific-heat) means the heat to raise the temperature of 1 gram of the ... (more)
7 hours ago · · in Specific Heat
• stefan_zdre wrote a comment
"Very nice, Alfredo...you could have easily posted this as a separate answer, given the fact that you've used a different method, but I ..."
7 hours ago · · in Partial Pressure
• Ernest Z. wrote an answer
**16.** Unanswerable, because you didn't give the "information above". > > > > **Zn(s) + Pb²⁺(aq) → Zn²⁺(aq) +Pb(s)** **17.** Add NaCl to ... (more)
8 hours ago · · in Gibbs Free Energy
• Ernest Z. wrote a comment
"I guess I messed up the original answer, so it's my responsibility to try to fix it."
8 hours ago · · in Calorimetry
• Ernest Z. updated the answer
The final temperature depends on the mass of the water, and the mass must be sufficient that the water does not boil. But we can do a ... (more)
8 hours ago · · in Calorimetry
• Ernest Z. wrote an answer
> > > > **HCl(g) + NH₃(g) ⇌ NH₄Cl(s)** **(a)** The sign of ΔS# for the forward reaction is negative. You are converting 2 mol of gas to ... (more)
9 hours ago · · in Gibbs Free Energy