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A small cylinder of helium gas utilized for filling balloons has a volume of 2.30 L and a pressure of 1850 atm at 25°C. Explain how many balloons can you fill if each one has a volume of 1.3 L and a pressure of 1.25 atm at 25°C?
a student immersed a 8.27g of unknown metal sample in a graduated cylinder containing 1ml of water. she noted the water
A 24.9 mL volume of HCl reacts completely with 55.0 mL of aqueous Na2CO3. The reaction is as follows: 2HCl (aq)+ Na2CO3(aq) ->CO2(g)+H2O(l)+2NaCl(aq) The volume of CO2 formed is 141 mL at 27°C and 742 mmHg.
A solution is prepared by mixing 80.0 mL of alcohol with enough water to give 200.0 mL solution. Calculate the % v/v concentration of alcohol in the solution.
Determine what element is getting REDUCED. This reaction is used by the railroads to weld tracks together in remote locations to make the iron to fill the space between tracks. Once the reaction starts, it cannot be stopped and will melt anything ..
the sales of gourmet popcorn seems to be losing market share and a number of seemingly unknown brands are creating
Use the van der Waals parameters for chlorine to calculate approximate values of (a) the Boyle temperature of chlorine and (b) the radius of a Cl2 molecule regarded as a sphere.
An unknown liquid with a boiling point of 58 C at 670 mmHg is soluble in water, cyclohexane and alcohol, what's the liquid.
76 g of Cr2O3 and 27 g of Al completely react to form 51 g of Al2 O3, how many gram of Cr are formed?
the excess HCl required 5.99 mL of 0.0983 M NaOH for titration. Calculate the percentage of nehohetramine in the sample.
A gas occupies 10.0 L at 44.1 psi and 27 degrees C. What volume will it occupy at standard conditions
Utilizing correct and complete arrow formalism, state the complete mechanism for free radical polymerization of styrene
what is the percent yield of a reaction in which 266 g phosphorus trichloride reacts with excess water to form 134 g
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