A certain type of nail weighs 0.50 lb per dozen. How many nails are containedin 3.5 lb of these nails? (a) 84 (b) 21 (c) 0.58 (d) 12

Q: The mass of a proton is 1.67*10^-27kg. What is the mass of a proton in gigagrams?

A: Kilogram is a small unit while gigagrams 1kg=10-6gigagram So 1.67×10-27kg have 1.67×10-27×10-6…

Q: Which of the following are extrinsic properties? being made of paper O being to the left of a…

A: An extrinsic property is not essential or inherent to the subject that is being characterized.

Q: It is estimated that uranium is relatively common in earth's curst, occuring in amounts of 4g/metric…

A: Given that mass of uranium present in earth’s crust = 4g/ metric ton Sample of earth crust taken =…

Q: 8.85

A:

Q: 4. How sizing down to Nano affect material properties?

A: Since  substances at the nanoscale level have a greater surface-to-volume ratio, which causes them…

Q: 8. 9. 6. 7.

A: Molecules (6) and (8) are ester Molecule (7) is an ether Molecules (9) and (10) are acid halide

Q: Q2: F The Mass the earth is (5-95 x10) Ry- colenlak the Average dansly ?(hg/mt}

A: Mass of earth = 5.95 × 1024 kg

Q: Platinum, Pt, is one of the rarest of the metals. Worldwideannual production is only about 130 tons.…

A: We know that, density can be expressed as,

Q: Composition C-4 is a plastic explosive having a density of 1.05 g/cm3. Calculate the mass of a brick…

A:

Q: A box of clear plastic wrap for household use is polyethylene,{ CH with density = 0.910 Mg/m'. A box…

A: From area and thickness we can calculate the volume and the mass of the compound . From here we can…

Q: 38) During the early 1970s, the price of copper rose to a point where the cent contained almost one…

A:

Q: Composition C-4 is a plastic explosive having a density of 1.05 g/cm3. Calculate the mass of a brick…

A: Given,  Density (D) of C-4 plastic explosive brick = 1.05 g/cm3 Volume (V) of C-4 plastic explosive…

Q: Aluminum has an atomic radius of 0.1431 nm and weighs 26.9815 g/mol. Compute for its density

A: Given : Atomic weight of aluminium = 26.9815 g/mol. And radius of aluminium atom = 0.1431 nm =…

Q: Physical 8iguiticance f Ų and 42 E in More thain 300 wOrds,

A: Quantum Physics or Quantum mechanics is a branch of science that deals with the study and behavior…

Q: Given the density of silver (10.5 g/cm³) and gold (19.3 g/cm³) in Group IB/11, estimate the density…

A:

Q: 4. Given the schematic notation: Cu | Cu (0.0200 M) | Ag le

A: Cell notation  At anode : oxidation Cu (s)  ------> Cu2+ ( aq) + 2e-        E°( Cu2+/ Cu) = 0.34…

Q: A chemist is trying to identify an unknown metal, and finds that 25.0 cm³ of the substance has a…

A: Given: Volume of the metal, V=25 cm3 Mass of the metal, m=224.43 g Temperature, T=20°C

Q: Under certain conditions, water can be separated into oxygen and hydrogen gases according to the…

A: Given: Mass of hydrogen produced = 112 g. And mass of oxygen produced = 888 g.

Q: A 0.0890N NaOH is used for standardization. The initial volume reading in the burette was 0.30 mL,…

A:

Q: 3. What is the volume of a aluminum ball at 10°C if its volume at 160°C is 300cm3 ?

A: Case: I (initial)Initial temperature, T1= 10∘CInitial volume,V1= ?Case:ii  (final) Final…

Q: (6) + 02(9)

A: The balanced chemical equation: S(s) + O2(g)  ---> SO2(g)   Assigning oxidation number of each…

Q: Which weighs more, 5.00 g or 0.0225 mol of acetaminophen 1C8H9NO22?

A: Given weight = 5.00 g Moles of Acetaminophen = 0.0225 mol. The molecular weight of Acetaminophen =…

Q: The mass of a proton is 1.67 times 10-27kg. What is the mass of a proton in gigagrams?

A: The mass of a proton is 1.67 times 10-27kg. This mass of a proton is to be converted into gigagrams.

Q: ?Y+ 90 39 Pe

A:

Q: How many 150 mgmg tablets should a 42 lblb child take to receive the dosage of 8.4×10−3 g/kg?

A:

Q: An empty vial weighs 55.32 g. (a) If the vial weighs 185.56 gwhen filled with liquid mercury…

A: (a)  Mass of empty vial = 55.32 g Mass of empty vial + liquid mercury = 185.56g Thus, mass of liquid…

Q: Which one of the following would have approximately the same mass as 40.0 cm³ of lead (d = 11.3…

A: A question about the relationship between mass and density, which is to be answered.

Q: сак 3 '२ 5 = 3 ax² a) (R+ ŝ) { x² + 1 ) ( X4 X b) R Ŝfin and ŜR f(x) = (C) R Ŝ fex) - ŜR Fex)

A:

Q: В. 46.3 К

A: This can be solved by ideal gas equation which is explained below

Q: Aluminum is a lightweight metal (density = 2.70 g/cm3)used in aircraft construction, high-voltage…

A: Conversion : 1 kg/m3 = 10-3 g/cm3  density = 2.70 g/cm3              = 2.70 x 103 kg/m3

Q: Aluminum (Al) – Lithium (Li) alloys are widely used in the aircraft industry to reduce weight and…

A: According to the question we have, The desirable density is given by ρ = 2.50 g/cm3 and we know…

Q: 2-86 When each of the following measurements are length is convert to inches, using a conversion…

A: The conversion factor used in the unit conversion has infinite number of significant digits. In the…

Q: 2. A steel section of the Alaskan pipeline had a length of 65m and a temperature of 18 °C when it…

A:

Q: 6. An empty Erlenmeyer flask weighs 241.3 g. When filled with water (d = 1.00 g/cm³), the flask and…

A:

Q: The range of a Pena partide with IMeV energy in aluminum if its density is 2.698 gm cm and its mass…

A:

Q: ? 239 94 Ри + 96 X + ¿n

A:

Q: Which intensive physical property is observed when the droppings of a person seated inside a closed…

A: Intensive property is the one  does not depend on the amount of substance.

Q: You’re attempting to calculate the density of a titanium alloy. The titanium alloy is in the shape…

A:

Q: o prepare a solution of NaCI, you weigh out 2.634 (±o.002) g and dissolve it in a rolumetric flask…

A: We have to find out the , Molarity of the solution, along with its uncertainty, with an appropriate…

Q: What is the volume of 190.0 grams of nitrogen at -23.5 C and 99.0 kPa?

A: a gas is said to be ideal gas if it follows ideal gas equation, PV = nRT

Q: The price of a ream of paper is $2.90. There are 250 sheets of paper in a ream. If a sheet of paper…

A:

Q: where does 0.5116 and 1.0074466?

A: The pH of a solution is determined by the Henderson-Hasselbalch equation. It is used to calculate…

Q: The symbol of K+ represents one?

A: + sign indicates loss of electrons.

Q: The Gateway Arch in St. Louis, MO is approximately 630 ft630 ft tall. How many U.S. half dollars…

A: While finding the number of any substance always use the following formula. Number = Total…

Q: Determine whether the following statements describechemical or physical properties: (a) Oxygen…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: 1) С,Н,О 2) С.Н.СЬ, 3) С.Н.О, 4) С,Н

A: Applying concept of functional groups isometric condition.

Q: (6) A group of students collected 125 empty aluminum cans to take to therecycling center. If 21 cans…

A: Calculate the mass of aluminum obtained from 125 cans:

Q: If the denisty of Platnuim is 19.32 g/cm3 what could the dimnesions of a cube be that weighted 1.00…

A:

Q: How many gallons of octane, C3H18, having a density of 0.703 g/cm3, would have to be burnec

A:

Q: 2 25.8

A: The term "mass per cent" is used to represent a concentration or to describe a component in a…