A limited number system uses base 12. There are at most

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A: Answer:Here:

Q: l LTE 1 Classroom Question 10: What would the approximate average mass of Hydrogen be? A. 6 amu Н В.…

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Q: Hi I need help with this question please -Of the solids are not dry when added to the graduated…

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Q: 7. Complete each of the following equations by supplying the missing reactant or product indicated…

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Q: 50. Round each number to three significant figures.(a) 10,776.522 (b) 4.999902 * 106(c) 1.3499999995…

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Q: 5) 5.0 × 10-9 m to pm

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Q: 9. How many photons are absorbed by a single atom in order for an electron to move to a higher…

A: The no of photon absorbed is the integral multiple of hv . Where v is frequency of radiation .

Q: How do molecules of elements and molecules of compounds differ? In what ways are they similar?

A: Given compounds,        Molecules of elements        Molecules of compounds

Q: 0.0590x8.105æ10 1.8x10-3

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Q: Depth                          1.2 cm Width                         1.2 cm                 3.Length…

A: Given : Depth = 1.2 cm  Width = 1.2 cm  And Length = 4.4 cm

Q: Classify the following by the sign of AE for the system. Drag the appropriate items to their…

A: To classify the following by the sign of ∆E for the system.

Q: tD Page view A Read aloud V Draw Highlight O Erase Certainty (marked on the ruler) and one uncertain…

A: for ruler 1 the uncertainty is 1 cm   for ruler 2 the uncertainty is 1/10 cm=0.1cm=1mm

Q: What is the correct volume reading for this buret, using the proper number of significant digits?

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Q: Calculate mass density with conversions (I attached picture)

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Q: 8. Use the IUPAC and common systems of nomenclature to name the following amides: || CH3CH₂CNH₂…

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Q: 562+7.1-50.003 Express your answer to the appropriate number of significant figures.

A: Calculate 562+7.1-50.003 Express your answer to the appropriate number of significant figures?

Q: Which subshells (s, p, d, f, or g) can have electrons with the indicated magnetic quantum number…

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Q: When you are doing addition and subtraction, my chemistry text tells me to round to the least number…

A: Rule: Properly examine the decimal portion only. Find the number with the minimum number of digits…

Q: What is the approximate diameter of a 5¢ nickel coin?

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Q: Calculate the simple interest earned. Round to the nearest cent.   P = $4000, r = 9%, t = 1 year

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Q: A recipe for pralines calls for the candymixture to be heated until it reaches the “soft ball”…

A: The units of temperatures are K, C0, F0. These can be interconverted by the following relation:…

Q: He will do this in three steps: • Fill a 750.0 mL volumetric flask about halfway with distilled…

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Q: 49. Round each number to four significant figures.(a) 255.98612 (b) 0.0004893222(c) 2.900856 * 10-4…

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Q: What are the smallest subdivisions marked in English units on the ruler above?

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Q: Part I Atomic Struwcture I. Draw four protons in the atom to the right. Label them with thecir…

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Q: B. Substance 2 7. Fill the graduated cylinder to 20 mL. 8. Find the mass of the substance 177.5g 9.…

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Q: Please provide the correct number of significant digits. (aleks is saying significant figures is…

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Q: Round 0.054321 to 4 significant figures

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Q: Baking Soda Mass (g) Recorded (no units): Number of significant figures for baking soda mass sample:

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Q: 16.1 cm2 converted to km2

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Q: 3) Read and record each graduation in the space provided. mL mL mL mL mL 120 30 1000 225 15 500 200…

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Q: Sodium hydroxide reacts with acetic acid to produce sodium acetate and water. It takes 25.0 ml of…

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Q: Question Assuming that only the listed gases are present, what would be the mole fraction of oxygen…

A: 0.831 is the correct one.

Q: .1. For the overall reaction UO,* + 3 Pt3* + 8 H,0 → U* + 3 Pt5* + 16 OH- .1a. write the half…

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Q: Which statement is true of the internal energy of a system and its surroundings during an energy…

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Q: Select the term(s) that describe the matter shown in the picture above. Mark all that apply.…

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Q: According to the figure on the right, which ruler would provide a more precise measurement of the…

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Q: Coralynn Buchanan b. Identify which reactant is being oxidized is being reduced. Support your answer…

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Q: SAMPLE OF MATTER Series 7. GASES ет2 Chlorine B02 bromine (vapor over liquid) nitrogen dioxide N₂…

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Q: The pH of a 0.47M solution of acetic acid (HCH,CO,) is measured to be 2.54. Calculate the acid…

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Q: Part D Write a balanced net ionic equation for dissolution reaction of AgCl Express your answer as a…

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Q: Determine the quantity of atoms of vanadium in 1.28 grams of vanadium

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.