In heavy water, each of the hydrogen atoms is replaced by a deuterium atom. If the density of ordinary water at a given temperature is 1.000 g/cm3, what is the density of heavy water? Assume that the average distance between the molecules is the same in both cases.

Q: A measurement related to the mass and velocity (speed) of particles.

A: Chemistry is the study of matter which has mass and occupy space. Matter is describes in number of…

Q: Using grammatically correct English sentences, describethe relationship between the number 6.022 *…

A: Number of moles of a chemical compound is used to measure the amount of compound in a given mixture…

Q: What mass of iron (d = 7.874 g/cm') does a 2.0 in x 1.5 in x 10.0 in sample have?

A: Given  density of Iron = 7.874 gram/ Cm3 Volume = 2.0 inch × 1.5 inch × 10 inch 1 inch   = 2.54 Cm…

Q: The radius of a lead atom is 175 pm. How many lead atoms would have to be laid side by side to span…

A: Given: Radius of each lead atom = 175 pm = 175 X 10-12 m                          (Since 1 m = 1012…

Q: Take the mass measurement with nitrogen (28 dalton or atomic mass units per molecule) and the mass…

A:

Q: A My Hôme OWLV2 | Online teaching and learning resource from Ce [References] The population density…

A:

Q: What is the name of the element that is in group 3A and period 6? What is the name of the element…

A:

Q: The following is an example of a physical change: O formation of rust O production of energy by…

A: Physical change: In a physical change only the state of matter changes. In this change different…

Q: Complete combustion of 16 liters of gasoline consisting of a mixture of heptane gas (C7H16) and…

A: Recall the reaction for complete combustion of a mixture of heptane and isooctane.       C7H16 +…

Q: Give the names of the elements represented by thechemical symbols Li, F, P, Cu, As, Zn, Cl, Pt, Mg,…

A: To find: The name of the given elements represented by the chemical symbol

Q: In the Dumas Method for the determination of the molar mass of an unknown vapor, the weight of the…

A: Given,  Weight of the flask filled with water = 378.56 g  Weight of the water = 252.68 g  Density of…

Q: Which part of the description of a compound or element refers to its physical properties and which…

A: Physical property: Physical property of an element or compound includes chemical composition,…

Q: WhalefossilsfoundintheSaharaDesertprovetheregionwasoncecoveredin water. Remnants of that water,…

A: Given: Mass of fossil water = 1.65 × 1014 tons. Density of water = 1.00 g/mL.

Q: A flexible container contains 6.02 x 10 molecules of N, at a volume of 22.4L. What will be its new…

A: To solve this problem we have first convert the number of molecules into number of moles . We know…

Q: Calculate the total mass of water in kg on Earth's surface from the following data: total planetary…

A: Given, total planetary surface area = 510066000 km2            total land area = 148647000 km2…

Q: Highlight the five significant contributions of Robert Boyle, Antoine Lavoisier, and John Dalton to…

A: Robert Boyle was born on 1 Jan 1627. He was a scientist with outstanding experimental skills. He was…

Q: The radius of a aluminum atom is 143 pm. How many aluminum atoms would have to be laid side by side…

A: Given : Radius of Aluminium atom = 143 pm And length of line to be made = 4.38 mm  Since 1 pm =…

Q: A copper road coated with copper (II) oxide has a mass of 38.72 g. The rod is heated and made to…

A: The number of moles for a given chemical species refers to the ratio of mass of the species to that…

Q: Archimedes tells us the lifting power of a balloon (how much mass it can lift) is equal to the…

A:

Q: What is the mass of 4.00 cm^3 of sodium, with a density of 0.97 g/cm^3?

A: MATHEMATICAL TREATMENT OF MEASUREMENT RESULTS Learning Objectives By the end of this section, you…

Q: What is the symbol for the element that is in group VIIA(17) and period 3?   What is the symbol…

A:

Q: gas. D. Matter with a defined shape and defined volume. E. The formation of new substances by…

A: We have to match the right answer

Q: Would you expect C3H7OH to be a solid, liquid or gas? Explain your logic. (the numbers above should…

A: Lower carbon alcohols that are alcohol with 1 to 3 carbon atoms are free-flowing liquids.  Alcohols…

Q: All of the platinum ever mined = 25 ft3 What is the price of all of the paltinum ever mined?…

A: The conversion of volume of platinum from 25 ft3 into cm3 can be done as,

Q: The reaction for the Haber process, the industrial production of ammonia, is N2(g) + 3H2(g) →…

A: Given;

Q: Carbon tetrachloride, CCl4, was a popular dry-cleaning agent until it was shown to be carcinogenic.…

A: 1 mole = 6.022×1023 (Avogadro's number)  The mass of one mole of molecules of a substance is known…

Q: 3) Na is present in seawater as 1.25 g Na/kg seawater. What volume of seawater as in liters(L),…

A:

Q: If the average speed of a helium atom at a certain temperature is 1250 m/s, what is the speed in…

A:

Q: Why is decoration rather than filtration the preferred method of separating the salt from the…

A: The process for the separation of mixtures of immiscible liquids or of a liquid and a solid mixture…

Q: Given your experience in mass determinations and volumetric glassware, which factor used in…

A: The density can be determined by using the following formula,

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: Which is considered an elemental substance? A.CO (carbon monoxide) B.H2O (water) C.I2 (iodine) D.A…

A: Given,CO (carbon monoxide)H2O (water)I2 (iodine)A and C are elemental substances.All of the above…

Q: Marie Curie was a Polish scientist that specialized in chemistry and physics. She wanted to…

A: Marie Curie  Marie Curie is renowned for discovering radium and polonium, as well as for making a…

Q: In an experiment involving the extraction of essential oils from a plant, 7.5 mL of benzene (C6H6,…

A:

Q: A study of the Earth by The National Aeronautics and Space Administration (NASA) determined there…

A: Given  7.00 x 1011 tons of carbon    Conversion factor:  1 ton = 907.19 kg  1 kg = 1000 g = 103 g…

Q: In simple terms, what is the difference between a theory and a law

A: Theory and laws are interrelated . Law  According to science , law is generalised statement  based…

Q: What is the mass of a golf ball traveling at 74.6 m s-1? The rest mass of a golf ball is 45.9 g, as…

A:

Q: 2. The Mercaptan content of household gas supplies is monitored continually to ensure that the gas…

A: As per our guidelines we can only solve first three sub-parts . Please resubmit other questions as…

Q: About two centuries ago, Benjamin Franklin showed that 1teaspoon of oil would cover about 0.5 acre…

A: The volume of the oil (V) = Area (A) x Thickness (T) T = V/A    1 km = 0.6214 mi, so 1 km2 = (0.6214…

Q: The distance between two atoms was determined to be 11.4 nm. What is this distance in centimetres?…

A: Distance is measured in different units. For example nanometre (nm), picometre (pm), centimetre…

Q: Is there a difference between a homogeneous mixture of hydrogen and oxygen in a 2:1 ration and a…

A: Is there a difference between a homogeneous mixture of hydrogen and oxygen in a 2:1 ration and a…

Q: Archimedes tells us the lifting power of a balloon (how much mass it can lift) is equal to the…

A: According to Archemedes principle,  Mass carried out by a balloon = (mass of air displaced by…

Q: Chemistry : is the science concerned with composition ,structure and properties of matter as well as…

A: According to the definition of Chemistry , this question can be explained as follows