Example: bachelor of science
CHM 130 Stoichiometry Worksheet - Welcome to …
2. Consider the reaction of zinc metal with hydrochloric acid, HCl(aq). A. Write the equation for this reaction, then balance the equation. B. Calculate the moles of HCl needed to react completely with 8.25 moles of zinc. C. Calculate the grams of zinc chloride produced if 0.238 grams of zinc react completely.
Tags:
Information
Domain:
Source:
Link to this page:
Documents from same domain
Chapter 14. CHEMICAL EQUILIBRIUM
web.gccaz.eduChapter 14. CHEMICAL EQUILIBRIUM 14.1 THE CONCEPT OF EQUILIBRIUM AND THE EQUILIBRIUM CONSTANT Many chemical reactions do not go to completion but instead attain a ...
Density: Accuracy and Precision
web.gccaz.eduGCC CHM 151LL: Density: Accuracy, and Precision © GCC, 2008 page 4 of 5 glassware. ... 1. Obtain a set of 4 brass slugs and 1 aluminum slug. 2.
Chapter 7 Practice Worksheet: Covalent Bonds and Molecular ...
web.gccaz.eduChapter 7 Worksheet Spring 2007 page 1 of 5 Chapter 7 Practice Worksheet: Covalent Bonds and Molecular Structure 1) How are ionic bonds and covalent bonds different? ... f. Mg(OH) 2 ___ ionic and covalent _____ 4) Define electronegativity. Electronegativity is the ability for an atom in a molecule to attract electrons to itself. ...
Balancing Equations Worksheet KEY
web.gccaz.eduBalancing Equations Worksheet KEY 1. Zn (s) + 2 AgNO 3 (aq) ⇒ Zn(NO 3) 2 (aq) + 2 Ag (s) 2. N 2 (g) + 3 H 2 (g) ⇒ 2 NH 3 (g) 3. NaCl (aq) + AgC 2H 3O 2 (aq) ⇒ NaC 2H 3O 2 (aq) + AgCl (s) 4. 3 Mg(OH) 2 (aq) + 2 H 3PO 4 (aq) ⇒ 6 H 2O (l) + Mg 3(PO 4 ) 2 (aq) 5. 2 HNO 3 (aq) + Ni (s) ⇒ Ni(NO 3) 2 (aq) + H 2 (g) 6. Ba(HCO 3) 2 (s) ⇒ BaCO 3 (s) + H 2O (g) + CO
Chapter 13 Stoichiometry - Glendale Community College
web.gccaz.eduChapter 13 – Stoichiometry Stoichiometry (STOY-key-OM-etry) problems are based on quantitative relationships between the different substances involved in a chemical reaction.
Intermolecular and Ionic Forces - web.gccaz.edu
web.gccaz.eduIntermolecular and Ionic Forces ... general, intermolecular forces are much weaker than the ionic and covalent bonds that hold together the atoms and ions in a compound. ... compared in this lab. The alkane used in this activity is pentane, CH 3 CH 2 CH 2 CH 2 CH 3. Alcohols are
Marine Biology: Study Guide - web.gccaz.edu
web.gccaz.eduBIO145: Marine Biology 3 Study Guide Chapter 10 An Introduction to Ecology Ecology is the scientific study of the interactions between organisms and their environment that determine the distribution and abundance of organisms.
CHM 130LL: Electrolytes - Welcome to web.gccaz.edu
web.gccaz.edumainly in body fluids outside the cells. Human body fluids have almost the ... CHM 130LL: Electrolytes Lab . GCC CHM 130LL Spring 2016 page 2 of 7 Understanding ... This makes it possible to identify which substance is in which well (ex: A3 or C2). In your data table (on the next page), ...
Polymers and Plastics - web.gccaz.edu
web.gccaz.edua chemical feedstock for polymer manufacturing Polymer: ... • Now back to polymers and plastics Given these monomers predict the structure of the polymer Ethylene Vinyl chloride ... recycle numbers are these plastics? • Plastic comes from oil – so less recycling means
CHM 130 Predicting Products Worksheet
web.gccaz.eduCHM 130 Predicting Products Worksheet Circle the appropriate reaction type for each, complete the reaction with products (remember to check charges for ionic compounds), include states, and finally balance each reaction.
Related documents
1. Calculate the pH of a 1.0 x 10-3 M solution of ...
www.xaktly.com8. Calculate the pH and pOH of a solution that was made by adding 400 ml of water to 350 ml of a 5.0 x 10-3 M NaOH solution. 5. Calculate the pH of a 2.0 liter solution containing 0.005 g of HCl. 6. Calculate the pH and pOH of a solution with a volume of 5.4 liters that contains 15 g of hydrochloric acid (HCl) and 25 g of nitric acid (HNO 3). 7.
Test2 ch17a Acid-Base Practice Problems
web.mnstate.edua. nitric acid, HNO 3 d. hydrochloric acid, HCl b. sulfuric acid, H 2SO 4 e. perchloric acid, HClO 4 c. carbonic acid, H 2CO 3 16. Which of the following compounds cannot be a Brønsted–Lowry base? a. OH– d. NH 4 + b. H 2O e. SH – c. NH 3 17. Each of the following pairs contains one strong acid and one weak acid EXCEPT: a. H 2SO 4 and H ...
Experiment 3: Extraction: Separation of an Acidic, a Basic ...
www.bc.edudeprotonated. Hydrochloric acid is generally used to protonate amines. The solid forms of the acidic and basic organic compounds can be recovered from the aqueous solution using the same solubility switch principles. When acid is added to an aqueous solution that contains the salt of a deprotonated organic acid, the organic acid is re-protonated.
EXPERIMENT 1 ACID BASE TITRATION - UM
kimia.um.edu.mymoles hydrochloric acid. Hence, the concentration of the hydrochloric acid solution is v 1000 × 1000 2×25c = v 25 2× c mol dm-3 (or M) 3.1.3 Standardization of sodium hydroxide solution (i) Pipette 10 mL of hydrochloric acid that has been standardized into a 250 mL conical flask.
Acid-Base Titration Curves Using a pH Meter
web.gccaz.edu1. Obtain about 15 mL of hydrochloric acid and 50 mL of NaOH in separate beakers. 2. Calculate the volume of base needed for your titration and show your professor the answer. Note: you should assume that 10.00 mL of acid is present for the titration since that is the amount you pipet into the titration beaker. 3.
6 Determination of Hypochlorite in Bleach W10
www.kbcc.cuny.edubleach solution (4-6% hypochlorite), 10% potassium iodide solution (KI), 2 M hydrochloric acid solution (HCl), ~0.26 M sodium thiosulfate solution (Na2S2O3), starch solution. Discussion An aqueous solution of sodium hypochlorite (NaOCl) is a clear, slightly yellow liquid, and is commonly known as bleach.
Determination of iron by thiocyanate colorimetry
www.canterbury.ac.nz1 mol L−1 hydrochloric acid and stir for 5 minutes, making sure that all the ash is soaked. 4. Add 5 mL of distilled water and then filter the solution into a 100 mL conical flask to remove the ash. This filtered solution will be used for colorimetric analysis. Colorimetric analysis 1. Accurately measure 10 mL of your sample solution
EXPERIMENT: CALORIMETRY AND HEAT OF NEUTRALIZATION ...
faculty.cbu.caacid and a base. The heat of reaction or neutralization, q neut, is the negative of the heat gained by the calorimeter which includes the 100.0 g of water. - q neutralization = q cal The heat of neutralization is the heat evolved (released) when 1 mole of water is produced by the reaction of an acid and base. The heat gained by the calorimeter, q