Determine the mass in grams of 2.10 × 10²¹ atoms of copper. (The mass of one mole of copper is 63.55 g.)
Q: A principal shell with a value of n=3 would contain s,p,d, and f orbitals true or false
A: A principal shell is indicated by the principal quantum number.
Q: which of the sub-atomic particles is commonly represented by this symbol:"e-"?
A: An ATOM is the smallest unit of ordinary matter that forms a chemical element. Every solid, liquid,…
Q: Write the chemical formula of the conjugate base of boric acid.
A: Boric acid is a weak monobasic Lewis acid of boron. It is found mainly in its free state in some…
Q: What is the difference between molecular mass and formula mass? Between molecular mass and molar…
A: Atoms are the basic building blocks of matter. Molecules are defined as the particle contains two or…
Q: why lung and soft tissue appear different on a radiograph when they have both an effective atomic…
A: The radio graphic image will appear according to the effective atomic number.
Q: How many moles of argon are in 40.1 g of argon?
A: In this question, we have to find the number of moles of argon in 40.1 gm of argon using the formula…
Q: What does the formula DPD = SF – TP mean?
A: If a solute is added to water, it decreases its diffusion pressure. The difference between diffusion…
Q: Which is the highest boiling point of 1-Octene or 1-nonene? Why?
A: Boiling points of alkenes depends on more molecular mass (chain length). The more intermolecular…
Q: How many mL of methadone is needed for a patient who was prescribed 0.015 g of methadone? The vial…
A: The volume of drug solution (methadone) to be infused will be calculated by considering the volume…
Q: What does the formula DPD = SF - TP mean?
A: The above mentioned question is related to cell membrane. It is asking the meaning of mentioned…
Q: What is the empirical formula for a compound that is 26.56% potassium, 35.41% chromium, and 38.03%…
A: A compound's empirical formula communicates a ratio between the numbers of atoms of various elements…
Q: C6h1206 is the chemical formula for a
A: Given formula: C6H12O6 It means 6 carbon, 12 hydrogen and 6 oxygen
Q: What is the mass in grams of 6.022 * 1023 O atoms of mass 16.00 amu?
A: The mole concept is a convenient method of expressing the amount of a substance. Any measurement can…
Q: If our alloy has a composition of 90% Sn and has a temperature of 100C, determine: a) What…
A: A phase diagram is a graph that depicts a substance's thermodynamic state at various pressures and…
Q: If one compound has the formula C5H10 and another has the formula C4H10, are the two compounds…
A: Isomers are molecules or compounds with identical molecular formulas which means they have empirical…
Q: What is the mass in grams of 30.50 moles of KBr
A: The molar mass is defined as " It is the addition of all the atomic mass of atoms present in the…
Q: How many grams of digoxXin (LANOXIN) would be required to make 25,000 tablets each containing 250…
A: This is a word problem where first we have to find out how many micrograms do the 25,000 tablets…
Q: What structure is indicated by the number 2 in the image below?
A: Question - what structure indicated by number 2 ?
Q: In the given formula, p+q=1, what does q stand for?
A: Hardy - Weinberg law - It is an equation which is used to calculate the frequencies of different…
Q: How does the atomic structure or composition of the versions of sodium in question C above differ…
A: According to the question, We have to explain how does the atomic structure or composition of the…
Q: When 0.5 mol of a certain ionic substance is dissolved in 1.0 kg of water, the freezing point of the…
A: The physical properties (freezing and boiling point) of a solvent caries n addition of solute. The…
Q: What mass of gallium oxide, Ga2O3, can be prepared from 29.0 g of gallium metal? The equation for…
A: A chemical reaction where there is loss of electrons or gain of oxygen and resulting in the increase…
Q: Another major use of bismuth has been as an ingredient in low-melting metal alloys, such as those…
A: Bismuth has the atomic number 83 and is the heaviest among all the elements in 5A. In the group 5A…
Q: You have a 20% stock of NaCl, a 30% stack of KHPO, 2.5 M NH CI and 10 mg/ml stock of ampicill a. How…
A: The total number of shares that are literally listed (bought and sold) throughout the business day…
Q: How many grams of CuSO4 would you use to make 1 L of an 8 g/L CuSO4 solution?
A: Given Values: Volume = 1 L Concentration of CuSO4 = 8 gL
Q: How many grams of glucose (C6H2O6 molecular mass =180daltons) would be present in one liter of a 1M…
A: The concentration of a solution is expressed in molarity. Molarity is defined as the number of moles…
Q: The liquids butan-1-ol and butanal have similar molar masses. Which is expected to have the higher…
A: The boiling point of a substance or molecule is the temperature at which the pressure exerted by the…
Q: What is the approximate atomic mass of an atom with 16 neutrons, 15 protons and 15 electrons?
A: Atomic mass is described as the number of protons and neutrons in an atom.
Q: What is the equivalent of 7 ppb in µg sol/L?
A: ppb means parts per billion.
Q: Which of the following compounds are acids, and which are bases? Explain.
A: Acids and bases are popular chemicals which interact with each other resluting in the formation of…
Q: Write the nuclear equation for the beta decay of Bi-214.
A: The bismuth-214 atom has an atomic number of 83 and an atomic mass of 214. Most of the known bismuth…
Q: The molar stability of mercury (II) sulfide is below. What is the Ksp ?
A: Mercury II sulfide or Mercury sulfide (HgS) . It is almost insoluble in water. But, it can be…
Q: What is the empirical formula of a compound that contains 72.0% carbon, 12.0% hydrogen and 16.0%…
A: Empirical formula It is the formula of a compound in which the exact number of each atom is not…
Q: How many total isomers are possible in the picture?
A: Cholesterol is a type of lipid. It is a waxy, fat-like substance that liver produces naturally.
Q: Why do you think compounds containing the heavy metal lead are poisonous?
A: Heavy metals are chemical elements that have high density and very toxic or poisonous even at their…
Q: What is the energy of the X-ray photon emitted by a tungsten atom in the transition from an L- shell…
A: The K, L and M shell electron binding energies of Tungsten are as follows K shell binding energy =…
Q: the molecular formula
A:
Q: Balance the following equation, and tell how many moles of nickel will reactwith 9.81 mol of…
A: The balanced chemical equation is a chemical equation in which both sides of equation contains equal…
Q: Give the name of and symbol for an element with this number of valence electrons. a) 2 b) 6 c) 8
A: Valence electrons are the electrons which are present at the outermost shell. These electrons take…
Q: Ethylene glycol, the main ingredient in antifreeze, contains 38.7% carbon, 9.7% hydrogen and 51.6 %…
A: The empirical formula of a chemical compound is the simplest positive integer ratio of atoms present…
Q: Which of the following Fischer structure is repres structure? CHOH
A: The Fischer and Haworth projection are the two different ways to represent the organic molecules. As…
Q: What is the mass number of an ion with 107 electrons, 157 neutrons, and a +1 charge?
A: Mass number It is defined as total sum of protons and neutrons in an atomic nucleus. The protons…
Determine the mass in grams of 2.10 × 10²¹ atoms of copper. (The mass of one mole of copper is 63.55 g.)
Step by step
Solved in 2 steps
- A solution with a density of 0.876 g>mL contains 5.0 g of toluene 1C7H82 and 225 g of benzene. Calculate the molarity of the solution.Copper(II) acetate containing 6Cu is used to study brain tumors. This isotope has a half-life of 12.7 hours. If you begin with 25.0 ug of "Cu, what mass remains after 63.5 hours?determine the density of a metal that has a mass of 2.17g and a volume of 0.35 cm^3
- What is the mass in grams of 24.2 moles of NaCl?What is the molarity of a solution that contains 50.0 g of vitamin B1 hydrochloride (molar mass = 337 g/mol) in 160 mL of solution?An oxide of nitrogen contains 63.1% oxygen and has a molar mass of 76.0 g/mol. A. What is the empirical formula for this compound?
- The molecular weight of ethanol (CH3CH2OH) is46 and its density is 0.789 g/cm3.A. What is the molarity of ethanol in beer that is 5%ethanol by volume? [Alcohol content of beer varies fromabout 4% (lite beer) to 8% (stout beer).]B. The legal limit for a driver’s blood alcohol contentvaries, but 80 mg of ethanol per 100 mL of blood (usuallyreferred to as a blood alcohol level of 0.08) is typical. Whatis the molarity of ethanol in a person at this legal limit?C. How many 12-oz (355-mL) bottles of 5% beer coulda 70-kg person drink and remain under the legal limit? A70-kg person contains about 40 liters of water. Ignore themetabolism of ethanol, and assume that the water contentof the person remains constant.Calculate these masses.(a) What is the mass of 8.00 cm 3 of mercury, density = 13.5939 g/cm 3 ?(b) What is the mass of 45.0 mL octane, density = 0.702 g/cm 3 ?If 10x TBE contains 0.89 M Tris-borate, 0.89 M Boric acid, and 0.02 M EDTA, what is the Molar concentration of Tris-borate in 100 ml of 1x TBE?