Chemistry

What volume of silver metal will weigh exactly 2500g. The density of silver is 10,5 g/cubic centimeters.
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What is the frequency of an event?Group of answer choicesProbabilityDegreeExpected occurrenceIdentification
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3. compounds in which elements are held together by covalent bonds...keeps their own propertiesA polar moleculeB. elementC. compoundD. molecule
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Electrons in the outermost shell of an atom that are available to bond with the electrons of other atoms areQuestion 11 options:A) cations.B) free electrons.C) valence electrons.D) anions.Question 12 (5 points) Main group elements have valence electrons in which suborbitals?Question 12 options:A) d and fB) s and pC) p and fD) s and dQuestion 13 (5 points) Molecules haveQuestion 13 options:A) only kinetic energy.B) only potential energy.C) both potential and kinetic energy.D) neither kinetic nor potential energy.Question 14 (5 points) The majority of elements areQuestion 14 options:A) metalloids.B) nonmetals.C) metals.D) inert.Question 15 (5 points) A student found the mass of an object to be 26.5 g. To find the volume, the student submerged the object in a graduated cylinder of water. Submerging the object in the water in the graduated cylinder increased the water level by 24.1 mL. The density of the object isQuestion 15 options:A) 1.0906 g/mL.B) 0.909 g/mL.C) 1.10 g/mL.D) 1.1 g/mL.
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If a football is 625 mL volume and 0.64 g/mL density what is the mass
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Which cell organelle controls the activities for the cell?
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Describe how the particle motion is different from state to state.
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a person who has non-functional cone type won't be able to identify the_____________of fill in the blank. A.colorB. shapeC. size
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what is the energy level of aluminum
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Which symbol and unit of measurement are used for resistance?symbol: R: unit :symbol: 0; unit: Rsymbol: R: unit osymbol: R: unit R
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How many grams of glycine amide should be added to 1.00 g of glycine amide hydrochloride to give 100 mL of solution with pH 8.00
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12. (01.06 LC)Which of the following is a property of a pure substance? (5 points)It consists of different types of compounds.It may have substances in different states of matter,It is made up of a single element or type of compound,Its components can be separated by employing physical methods.
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psoriasis is a disease that causes a red rash on the skin. which body system does psoriasis affect? a. respiratoryb. integumentaryc. immuned. digestivee. circulatory
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I need help with these two questions
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Question 6(Multiple Choice Worth 3 points)(02.01 MC) What is the landform in the image Dune Hill Plateau River
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What molar concentration of hydrochloric acid (HCl) is needed to prepare a disinfectant solution with a pH
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Which statement offers an explanation for why some parts of John Dalton's atomic theory were proven to be false? Scientists today are more diverse and have more educational trainingMistakes were made in key calculations during experimentingExtensive repeated testing was not completed to verify the resultsTechnology available at that time was limited.
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What is the relationship between the atomic mass of an element and a mole of that element's atoms?
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When an objects volume is made smaller and its mass remains the same its density
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Which of the following describe glands? Check all that apply.a structure that secretes substances through a ducta thin layer that separates or connects structures inside the bodya structure that secretes hormones into the bloodstreama structure usually made from connective and epithelial cells
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Match each term with its definition. a. The position of an equilibrium always shifts in such a direction as to relieve a stress applied to the system. b. A molecule that donates a proton when it encounters a proton acceptor. c. Occurs when a reaction involving an acid and its conjugate base is combined with a second reaction involving a base and its conjugate acid. d. It ionizes completely when dissolved in water. e. The shift in the position of equilibrium caused by the addition of a participating ion. f. It only partially ionizes when dissolved in water. g. It is capable of acting as either an acid or a base depending upon the solute. h. The act of self-ionization of a solvent to produce both a conjugate acid and a conjugate base. i. A chemical species that bears both positive and negative charges. 1. Week electrolyte2. Bronsted-Lowry acid 3. Neutralization 4. Amphoteric solvent 5. Zwitterion 6. Auto-protolysis 7. Strong acid 8. Le Chtelier's principle 9. Common effect
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Are the oldest rocks in the canyon found near the bottom
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