A study of the Earth by The National Aeronautics and Space Administration (NASA) determined there were 7.00×1011 tons of carbon stored in living plants on the Earth's surface, at the time of the study. Calculate the mass of carbon stored in these plants in grams. (1 ton equals 907.19 kg) x10 mass = > TOOLS x10

Q: A scientist removed a sample of 37.8 grams of a chemical from a container. The sample was 4 1/4 less…

A: Given the mass of the sample removed out of the total mass = 37.8 g  Suppose the total mass of the…

Q: The concentration of mercury in a polluted lake is 0.33 micrograms per liter of water. What is the…

A: Given,Volume of the lake = 1.5 x 1012cm30.33 micrograms per liter of water

Q: 2. The approximate radius of a nucleus, r, is given by the formula r = A$(1.3x10-13cm), where A is…

A: Given: Atomic radius of Al = 143 pm Radius of nucleus=A13(1.3×10-13) cm

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A: We have given 1 mole of xenon(Xe) gas having each atom a diameter of 216 pm. And we have asked to…

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Q: A sample of sodium reacts completely with 0.142 kgkg of chlorine, forming 234 gg of sodium chloride.…

A: A)  Given :- mass of Cl2 = 0.142 kg or 142 g  Mass of NaCl formed = 234 g  To be calculated :-  Mass…

Q: Calculate the mass (in grams) of 0.722 mol of titanium. Express the mass to three significant…

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Q: Calculate the radius in nanometers of a metallic atom given that it has a BCC structure and a…

A: Density = 12.81 g/cm3  Atomic Weight M = 110.9 g / mol  Avogadro number NA = 6.022 * 1023 atoms /…

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: If a cube of table sugar, which is made of sucrose, C12H22O11, is added to concentrated sulfuric…

A: Molar mass of Sucrose (C12H22O11) =12×Molar mass of each carbon atom + 22×molar mass of each…

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A: Heavy water is the deuterium oxide, which is another form of water containing heavier isotope of…

Q: mass o

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Q: using the balanced chemical equation, 2PbS +3O2-->2Pb + 2SO3, how many grams of lead will be…

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Q: Ca(s) + O2(g) + S(s) → CaSO4(s) [?]g 6.400 g 3.206 g 13.614 g According to the law of conservation…

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Q: high-performance heater that burns propane, C3H8(g), is adjusted so that 100.0 g of O2(g) enters the…

A: .According to the question, high-performance heater that burns propane, C3H8(g), is adjusted so that…

Q: An atom of rhodium (RhRh) has a diameter of about  2.7×10−8cm2.7×10−8cm.   Part A: What is the…

A: "Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Atoms are the smallest spherical particles that make up any matter. If 6.0x10^23 atoms of aluminum…

A: Avogadro’s number is used to determine the number of atoms present in 1 mol of an element.…

Q: The volume of a single barium atom is 4.29 x 10 μL cm³. What is the volume of a barium atom in…

A: We know that the relationship between cubic centimeter (cm3) and microliter(µL) is :1 cm3 = 1000 µL

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Q: The amount of radioactive substance present, in grams, at time t in months is given by the formula…

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Q: The reaction between copper and sulfur is represented by the chemical equation shown below. What is…

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Q: Chemical Formulas as Formulas: Converting between Grams of a Compound and Gram of a Constituent…

A: First convert given mass in kg  into grams .

Q: What is the mass, in g, of 2.67 × 10 nickel (Ni) atoms? Enter your answer in scientific notation. 12…

A: The given data contains, Atoms of nickel = 2.67×1012 Molar mass of Nickel = 58.69 g/mol.

Q: In 1993 the Minnesota Department of Health set a health risk limit for BCME in groundwater of 2.00…

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Q: Rubidium has two naturally occurring isotopes, Rb-85 (mass 84.912 amu) and Rb-87 (mass 86.909 amu).…

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Q: Calculate the number of carbon atoms in 1.21 g of table sugar, C₁2H22 O11- Express your answer using…

A: The Avogadro number, denoted as "N_A", is a fundamental physical constant that represents the number…

Q: The radius of cesium atom, Cs, 1s 265 pm, and its mass is 2.21 x 10 22 g. What is the density of the…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: A chemical reaction between 6.0 g of substance A and 8.0 g of substance B, yields exactly 14.0 g of…

A: The concept behind the question is equivalent relationship between two reactants.

Q: 2.) Suppose you're attempting to measure the density of a liquid that is highly volatile (it…

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Q: The reaction between copper and sulfur is represented by the chemical equation shown below. What is…

A: Mole=Mass/molar mass  Then mole-mole relationship We will get the answer

Q: What is the mass in grams of 4.90 x 10^12 lead (Pb) atoms? Be sure your answer has the correct…

A: No. of atoms of Pb = 4.9 x 1012 atoms.

Q: The Law of Combining Gas Volumes A compound containing only chlorine and oxygen is decomposed into…

A: Given: Mass of Cl = 1.71 g Mass of oxygen = 1.54 g Density of Cl = 3.17g/L Density of oxygen gas =…

Q: Calculate the edge length in m and the volume in L for a cubical box that will “exactly” contain…

A: Given that: Number of Argon atoms present  = 4.32 x 1023 Diameter of Argon (D)= 3.4A° = 3.4×10-10m…

Q: State the number of protons in Ag^+. Express your answer as an integer.   State the number of…

A: Electronic configuration of Ag (47) = 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s1 Number of protons…

Q: 14.255 g of a compound with the molecular formula C5H4N4 contains ______ carbon atoms. Report your…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: A nutrition table lists apples with a potassium content of 4600 mg/pound. Assume an average apple is…

A: According to the given data, Mass of an average apple = 75.0 g Because, 454 g = 1 poundMass of an…

Q: A chardonnay wine is 13.5 percent by mass alcohol. If we consume 24 fluid oz of wine, and the…

A: Percent by mass alcohol = 13.5 % Volume of wine = 24 oz 1 oz = 29.57 mL 24 oz = 709.76 mL or 0.70976…

Q: Please answer question number 2  correctly with the correct answer. there is a picture of an example…

A: 32.0 g/mol approx. is the molar mass of dioxygen (O2) gas and there are 6.022x1023 of molecules of…

Q: CHEMISTRY Calculating Density Density is the compactness of matter. Density describes the quantity…

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Q: AATT You are a researcher in a geochemistry laboratory. A colleague brought to you a new mineral…

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Q: Assuming that the copper and lead are pure, determine the relative amounts of each kind of BB. The…

A: The objective is to find out the relative amounts of the following compound given thedensity of…