Cumulative Study guides, Class notes & Summaries

Cumulative Exam- Chemistry Exam Questions With Complete Solutions What is the ratio of Fe ions to O ions in a neutral compound? ️️2:3 What does it mean that valence electrons in a metal are delocalized? ️️The valence electrons move between atoms in shared orbitals. Consider the reaction Which statement is true at STP? (The atomic mass of Mg is 24.31 u.) ️️(3 24.31) g of Mg produce (3 22.4) L of H2 gas. Several substances are labeled on the pH scale below Which substance ha...

Cumulative Exam Semester II Review exam questions with complete solutions Brownian motion is not observed in a mixture that includes two phases. Which best identifies the mixture? ️️a suspension An ice cube is dropped into a glass of milk at 20°C. Which statement explains the transfer of kinetic energy (KE)? ️️Because milk has higher KE than ice, KE is transferred from the milk to the molecules of ice. The chemical equation below shows the decomposition of ammonium nitrate ...

Cumulative Exam Review Integrated Physics and Chemistry B questions with complete solutions The diagram shows parts of a wave. Which is shown by the letter X? ️️Crest An object's resistance to any change in its motion is the ________ of the object. ️️Inertia What causes the air above a pot of boiling water to become warm? ️️The water vapor transfers thermal energy to the air. Which describes who will record their measurements in joules? ️️Lily, Astrid, Henry, and Bo...

Consider the following reversible reaction. C(s) + O2(g) <-> CO2(g) What is the equilibrium constant expression for the given system? - ANSWERCO2/O2 The following reaction occurs in a car's catalytic converter.2NO(g) + 2CO(g) N2(g) + 2CO2(g)Which answer best describes the reducing and oxidizing processes in this reaction? NO and CO are both reducing agents. NO and CO are both oxidizing agents. The oxidation state of nitrogen in NO changes from +2 to 0, and the oxida...

Electromagnetic radiation with a wavelength of 425 nm appears as violet light to the human eye. The frequency of this light is.... - ANSWER7.06 x 10^14 V=C/Wave (3.00 x 10^8 m/s) / (425 nm) The vertical height of a wave is called... - ANSWERA) wavelength B) amplitude <---- C) frequency D) area E) median The distance between adjacent crests is called... - ANSWERA) wavelength <--- B) amplitude C) frequency D) area E) median Which of the following statements is true? - ANSWER...

Which compound is a unsaturated hydrocarbon? A) ethane B) ethyl chloride C) ethyne D) ethanol - ANSWERC) ethyne Which compound has the lowest boiling point? A) CH3CHO B) CH3CH3 C) CH3 CH2OH D) CH3CO CH2CH3 - ANSWERB) CH3CH3 A solution has a [H3O+] of 1 x 10-5. What is the [OH-] of the solution? A) 1 x 10-5 B) 1 x 10-7 C) 1 x 10-9 D) 1 x 10-14 - ANSWERC) 1 x 10-9 A person who suffers from hyperventilation will exhibit signs of A) respiratory acidosis. B) respirat...

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According to federal law, for how many years should prescription records for all controlled substances be stored in the pharmacy? - ANSWER2 According to federal law, which prescription is good for only 6 months after the date of issuance? - ANSWERValium Which organization must the investigational New drug application be filed with? - ANSWERFDA Which schedule of controlled substances is heroin classified under? - ANSWERII According to HIPPA which is considered protected he...

können - ANSWERcan aus - ANSWERout andere - ANSWERother waren - ANSWERwere die - ANSWERwhich tun - ANSWERdo ihre - ANSWERtheir die Zeit - ANSWERtime wenn - ANSWERif wie - ANSWERas ich - ANSWERI seine - ANSWERhis dass - ANSWERthat er - ANSWERhe war - ANSWERwas für - ANSWERfor auf - ANSWERon sind - ANSWERare mit - ANSWERwith sie (pl) - ANSWERthey sein - ANSWERbe bei - ANSWERat ein - ANSWERone haben - ANSWERhave dies - ANSWERthis aus - ANSWERfrom

Food preparation areas should NOT be located under - ANSWERoverhead sewer pipes What are the steps in washing? - ANSWERPre-scrape, wash, rinse, sanitize, air dry How high must equipment be if it is not sealed to the floor to allow cleaning? - ANSWER6 inches What is Backsiphonage? - ANSWERWhen non-portable water is sucked into a potable water supply What is true about wooden materials? - ANSWERHard, close-grained wood may be used with limitations The most important activity f...