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Acidity and pH

Acidity and pH. Review. Acids are substances that: taste sour. react w/ bases to form salts and water. are electrolytes. turn blue litmus red. produce H 3 O +1 ions in aqueous solution. donate H +1 ions (protons). Review. Bases are substances that: taste bitter.

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361 views • 25 slides

5.3 Solving Systems of Linear Equations by the Addition Method

5.3 Solving Systems of Linear Equations by the Addition Method. Solving Using Addition Method. Write both eqns. in standard form (Ax + By = C). Get opposite coefficients for one of the variables. You may need to mult . one or both eqns. by a nonzero number to do this.

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114 views • 11 slides

5.2 Solving Systems of Equations by the Substitution Method

5.2 Solving Systems of Equations by the Substitution Method. Solving Using Substitution. Solve either eqn. for x or y (may be done already). Substitute the expression for the variable obtained in step 1 into the other eqn. and solve it.

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155 views • 8 slides

CHEM 122 Expt #10 Thermochemistry

CHEM 122 Expt #10 Thermochemistry. CCBC-Catonsville. Sample Calculations (p.122). 35.00 mL 1.00 M NaOH. 35.00 mL 1.00 M HCl. T(initial) = 25.2 o C 29.0 o C What is molar ?H for the reaction?. REACTION: HCl + NaOH HOH + NaCl

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120 views • 3 slides

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Soln - PowerPoint PPT Presentation

Acidity and pH

5.3 Solving Systems of Linear Equations by the Addition Method

5.2 Solving Systems of Equations by the Substitution Method

CHEM 122 Expt #10 Thermochemistry