Chemistry  acids & bases
 👍 0
 👎 0
 👁 126
Respond to this Question
Similar Questions

Chemistry
When 3.00 g potassium carbonate (K2CO3 ) was mixed with 20.0 mL of hydrochloric acid (HCl, 4.0M) in a calorimeter, the temperature raised 3.0 degrees Celsius. B. Calculate the enthalpy change (H) of the reaction for per mole
asked by Luis on April 15, 2012 
chemistry
calculate [h3o] in solutions. 0.040 of HCl and 0.080 HOCl. 2. calculate OH for the solutions of 0.0063 ba (OH)2 and 0.0110 of BaCl2
asked by anonymous on April 11, 2010 
Chemistry
Hydrogen peroxide, H2O2, is a colorless liquid whose solutions are used as a bleach and an antiseptic. H2O2 can be prepared in a process whose overall change is the following. H2(g) + O2(g) H2O2(l) Calculate the enthalpy change
asked by Glenna on October 18, 2008 
Chemistry
Please help me figure out where I went wrong. HNO3 + KOH > KNO3 + H2O enthalpy change = 53.4 kJ/mol 55.0 mL of 1.30 mol/L solutions of both reactants, at 21.4°C, are mixed in a calorimeter. What is the final temperature of the
asked by A Canadian on February 10, 2013 
algebra
i dont do the solutions very well could someone help me? how many real number solutions does the equation have? 0=2x^220x+50 A. 1 solution B. 2 solutions C. no solutions D. infinite solutions Is it C? Also if anyone has the rest
asked by avg joe who didnt go on April 29, 2019 
Chemistry
Calculate the heat change (q) in kJ for each reaction. Assume the density of the acid solutions is 1.00 g/mL and the heat capacity is 4.184 J/g*°C. i have the Ti and Tf..what equation do i use?
asked by ChemGeek on May 25, 2011 
Biology
Zucchini cores placed in sucrose solutions at 27oC resulted in the following percent changes after 24 hours: % change in mass [Sucrose] 20 distilled water 10 0.2 M 3 0.4 M 17 0.6 M 25 0.8 M 30 1.0 M Graph the results and find
asked by Harry on October 11, 2007 
Math check
Decide whether each equation has one, no solutions, or infanatly many solutions 1.) 2(x  3) = 2x One solution no solutions many solutions infinatly many solutions 2.) 3(y  3?) = 2y  9 + y One solution no solutions many
asked by Josh on January 8, 2014 
Chemistry
The ionisation of water plays an important role in the equilibria of aqueous solutions. Kw= 1.008 x 1014 mol2 dm6 at 298K. (a) Calculate the pH of the following solutions at 298K showing all your working. Assume full
asked by Henry on April 22, 2012 
algebra
what are the solutions to the equation 2x^2=18 the possible answers are A. 2 solutions +/9 B. 2 solutions +/3 C. 2 solutions +/√3 D. No solutions. i am completely and utterly lost so if someone could help me just like figure
asked by ugg on April 29, 2019