Chem 1311 Bundled Exams ACC Professor Rahman 2023 with 100% correct answers

Gas, Liquid, and Solid define the differences between these three main phases of matter. correct answersSolid- fixed shape and fixed volume Liquid- Variable shape/ can flow and fixed volume Gas- Variable shape/ can flow and can change volume (can be made to expand or contract depending on pres...

Of the following only,_________ is an extensive property. -Temperature -Boiling point -Freezing point -Density -Volume correct answersVolume In the following list, only __________ is not an example of a chemical reaction. -the production of hydrogen gas from water -chopping a lo...

Which pair of elements would you expect to exhibit the greatest similarity in their physical and chemical properties? A)Cs, Ba B)H, Li C) Ga, Ge D)Ca, Sr E)C, O correct answersD) Ca, Sr What is the correct answer (reported to the proper number of significant figrues) to the following? 6.3...

Stiochiometry correct answersGreek "Stiochion"= element "Metion"= measure Lavoisier correct answersMass is conserved in chemical rxn 2 parts of equation correct answersReactant and product Chemical equation for formation of water correct answers2H₂+O₂→2H₂O Stiochiometric co...

peta- correct answersP, 10^15 tera- correct answersT, 10^12 giga- correct answersG,10^9 mega- correct answersM, 10^6 kilo- correct answersK, 10^3 deca- correct answersda, 10 deci- correct answersd, 10^-1 centi- correct answersc, 10^-2 milli, correct answersm, 10^-3 micro- ...

Mixture correct answersA combination of two or more substances that are not chemically combined Pure Substance correct answersMatter that always has exactly the same composition heterogeneous mixture correct answersA mixture that is not uniform in composition; components are not evenly distrib...

Types of Electrolytes: correct answers-strong: SOLUBLE & IONIC -weak: SOLUBLE & MOLECULAR -non-electrolytes: INSOLUBLE Solubility Rules correct answers1. Group 1A Metals (Li+, Na+, K+, etc.) 2. Ammonium (NH4+) 3. Nitrate (NO3-) 4. Acetate (C2H3O2-) or (CH3COO-) 5. Hydrogren Carbonate (HCO3-...

A __________ ΔH corresponds to an __________ process. -zero, endothermic -positive, exothermic -negative, endothermic -zero, exothermic -positive, endothermic correct answerspositive, endothermic Which one of the following is NOT considered a fossil fuel? -natural gas -hydrogen ...

The distance between carbon atoms in ethylene is 134 picometers. Which of the follow expresses this distance in meters? correct answers1.34 x 10^-10 m Acedic acid boils at 244.2 F. What is the boiling point in degrees Celsius? correct answers117.9 C Select the answer with correct number of sig...

Atom correct answersSmallest quantity of matter that retains the properties of matter. Building blocks of all matter Element correct answersA substance made up of a single type of atom. α Particle correct answersA positively charged particle consisting of two protons and two neutrons, emitted...

Hydrogen Bonds correct answers- Specific type of dipole-dipole interaction - MUST have a H covalently bonded to F O or N Dipole-Dipole correct answers- Attractions between polar molecules - Weaker than covalent bonds - Stronger the dipole moment, the boiling point gets larger Dispersion ...

consists of a solute and a solvent. correct answerssolution Substance that dissolves in water to give an electrically conducting solution . correct answerselectrolyte no ions in solution! A substance that dissolves in water to give a poor or non-conducting solution. correct answersnon-electr...

Antoine Lavoisier ( ) correct answersExplained the nature of combustion and discovered the Law of the Conservation of Mass 1) law of conservation of mass correct answers-in a chemical reaction, matter is neither created nor destroyed -total mass of reactants = total mass of products -In a chemi...

Propane (C3H8) reacts with oxygen in the air to produce carbon dioxide and water. In a particular experiment, 38.0 grams of carbon dioxide are produced from the reaction of 22.05 grams of propane with excess oxygen. What is the % yield in this reaction? correct answers57.6 Gaseous argon has a den...