if the density of an element 1.5 g/ml with volume 1.8 L, its mass will be .. 2700 O 2.7 O 1200 1.2 Non of the above O O O

Q: Zn+ 2Au(CN)2 → Zn(CN)4+ 2Au What mass of gold would you expect to recover from 2.50x105 gr

A: Zn+ 2Au(CN)2 → Zn(CN)4+ 2Au2 mol  Au(CN)2 produces  2 mol Autherefore,2 g ×Au(CN)2 produces = 2 g…

Q: AS > 0 I2(g) + C½(g)–→2ICI(g) →2NO(g) + Br2(g) 2NOBr(g)- CH4(g) + 202(g) AS < 0 CO2(g) + 2H,0(g)…

A: Given reaction with their phase. ∆S means change in entropy. ∆S = is disorder ness of the system.…

Q: Part C How many Rh atoms would have to be placed side by side to span a distance of 7.5 µm ? Express…

A: Atom is the smallest  unit of ordinary matter which forms a chemical  element.

Q: How many miles deep would a mole of popcorn kernels have to be in order to cover the Condinental…

A: Volume of 90 kernels of popcorn = 1 cu inch Length of the U.S. = 3000 miles Breadth of the U.S. =…

Q: A ALEKS -ANNETH SUAREZ PALO b My Questions bartleby G chloride gas formula - Google Se + X X X X…

A: In chemistry, there are many ways to check the deviation of experimental data from the accurate…

Q: 12. What mass of carbon di a. 0.468 g b. 2.81 g

A: Given reaction,  C6H14 + 13CO2 --------&gt;6CO2 + 7H2O we have to find mass of CO2 produced by 5.50…

Q: If 26.98 grams is the mass of 1 mole of Aluminum, 26.98 grams =1 mole of Al 13.49 grams = 0.5 moles…

A: Mole concept relates the number of moles with the molar mass and mass of the substance. Just like…

Q: We have 40.5 cm of a material. How many g is it? The material has density of 9.50 g/cm O 68.0 g O…

A: • The values provided in the question are:-  i) Density of a material, d = 9.50 g/cm3  ii) Volume…

Q: 23. Ammonia is synthesized from hydrogen and nitrogen. N2 (g) + 3 H2(g) - -> 2 NH3 (g)lf 5.00 L of…

A: Given that: N2(g) + 3H2(g) ....&gt; 2NH3(g)  Volume of N2(V) = 5.00L T = 298 K P = 3.00 atm

Q: The density of carbon lellacinun tetrachloride? 3.3 x 1023 atoms b. 5.4 x 1023 atoms c. 1.4 x 1024…

A: Number of moles of a compound = number of moleculesavagadro number Number of moles of a compound =…

Q: We have 425 cm3 of a material. How many g is it? The material has density of 0.345 g/cm O 68.0 g O…

A: We have to find mass ,volume and density  is given in the question  Volume of the material = 425 cm3…

Q: e mass of 1

A:

Q: The average dollar bill is 1.8x107 nm long and weighs 0.987 g.  The distance to the sun is 1.5x108…

A: Mole : Mole is the unit by which we measure the amount of substance. One mole is equal to the number…

Q: You wish to prepare 240. grams of 27.5% (w/w) Ni(NO3)2 . Assume that the density of water is 1.00…

A: Answer :-  To prepare 240. grams of 27.5% (w/w) Ni(NO3)2, you will need 66.0 grams of nickel(II)…

Q: What is the mass of 3.30 × 10 ²³atoms of silver, Ag? (Sec. 8.4) (a) 0.549 g (b) 25.8 g (c) 59.1 g…

A: The atomic mass of an element will be equal to the Avogadro number of particles ( be it atoms,…

Q: Part B IF 12.0 g of MgSO, 7H O is thoroughly heated, what mass of anhydrous magnesium sulfate will…

A: Given : Mass of MgSO4.7H2O = 12g

Q: How many grams of CCl4 will contain 36.00 g of carbon? express your answer in decimal notation.

A: Mole of carbon tetrachloride is equal to mole of carbon

Q: 6.35 x10 to the 22nd power molecules of H2SO4 then how many grams of H

A: Number of mole and number of particles are related to each other as follows:Where, NA is avogadro’s…

Q: LAURA E. constant mass, the residue weighs 1.941 g ydrate.

A: Weight of water = ( sample weight ) - ( residue weight )  Weight of water = ( 2.752g ) - ( 1.941g )…

Q: 22) An 85.5-g sample of Hg in a barometer 23) A 0.251-g Ti metal heart valve 24) A 10.0-g sample of…

A: 22) Given: Mass of Hg = 85.5 g Atomic mass of Hg = 200.59 g/mol.

Q: The density of liquid benzene, C,H, is 0.879 g/cm at 15 °C. How many moles are there in 36.5 mL of…

A: Given: Density of benzene = 0.879 g/cm3. And volume of benzene = 36.5 mL = 36.5 cm3…

Q: 9.31 g is the same mass as O 93.1 cg O 9310 mg O 931 kg 0.0931 dg O 931 mg

A: 1 cg = 10-2 g93.1 cg = 93.1 ×10-2 g93.1 cg = 0.931 g   1 mg = 10-3 g9310 mg = 9310× 10-3 g9310 mg =…

Q: The table below sbows elements present in the Sun. The Sun's composition is similar to other main…

A: The sun is made up of hydrogen and helium in the maximum amount. All the elements produced in the…

Q: Of the following, is the smallest mass. O 25 kg 2.5 x 10 mg O 2.5 x 105 pg O 2.5 x 10° fg O 2.5 x…

A:

Q: How many grams of Ca(NO3)2 contains 36 grams of oxygen atoms? (A) 15 g (B) 30. g (C) 24.5 g (D) 37…

A: molar mass is defined when we take mass for only one mole ie, for 6.023 ×10-23 atoms. If we have to…

Q: Find the mass of 1 molecule of Li H in gram. a. 7.949 b. 1.32 x1023 С. 4 d. 1.32 x10-23

A:

Q: 4. Write an equation showing how the mass of the substance sought can be converted to the mass of…

A: To Write an equation showing how the mass of the substance sought can be converted to the mass of…

Q: The density of liquid benzene, C̟H,, is 0.879 g/cm at 15 °C. How many moles are there in 36.5 mL of…

A: The number of moles of any substance is the ratio of the amount of that substance present with molar…

Q: What is the mass of C12H22O11 in a bottle of 3.5 M C12H22O11? a. 1795.5 g b. 1765.5 g c. 1745.4 g…

A:

Q: 3. A 5-peso coin was placed on top of a watch glass and their mass was recorded as 45.68 g. The mass…

A: Initially, mass = 45.68 g Empty watch glass mass = 39.86 g

Q: Question attached

A: Mass of water is calculated as follows: Hydrate = anhydrous salt + watermass of water=mass of…

Q: Calculate the mass in grams of 1 mole of footballs if one football has a mass of 0.43 kg.

A:

Q: If Mass of 10 bolts = 64.567 g Mass of 10 nuts = 20.321 g1. What is the mass of 225 bolts?2. What is…

A: Given,Mass of 10 bolts = 64.567 gMass of 10 nuts = 20.321 g

Q: Balance each reaction and write its reaction quotient, Q꜀:

A:

Q: 3 The density of liquid benzene, C,H,, is 0.879 g/cm at 15 C. How many moles are there in 36.5 mL of…

A: Given :Density of Benzene , C6H6=0.879 g/cm3=0.879 g/mL cm3=mLVolume=36.5 mLThen mass is:…

Q: that reads 452 g. How much sample is left after half an hour? 5.00 g 90.4 g 14.1 g 75.3 g

A:

Q: What is the mass, in grams, of 5.23 moles of oxygen gas?

A: Number of moles of the substance is the ratio of mass to molar mass.

Q: 9) An experiment was done in which zinc was reacted with hydrochloric acid in a vessel to make…

A: Since moles = mass / molar mass And mass of Zinc = mass of evaporating dish + zinc ( before the…

Q: Mass of beaker: 110.000g Mass of silver nitrate in beaker: 40.00ml After 40ml: 154.127g After 80ml:…

A: Mass of empty beaker = 110g Mass After 40ml = 154.127g After 80ml = 198.254g After 120ml = 242.381g…

Q: A) 6.81 x 1022 molecules B) 3.40 x 1022 molecules C) 8.91 x 1022 molecules D) 1.75 x 1022 molecules…

A:

Q: The density of liquid benzene, CH, is 0.879 g/cm at 15 °C. How many moles are there in 36.5 mL of…

A: Given  Density of benzene is 0.879 g/cm3 Volume of benzene is 36.5 mL moles of benzene will be

Q: Which number has 2 sigfigs? O 1.2 x 105 O 11.11 O 276 8.

A: Option A is correct.

Q: You wish to prepare 207 grams of 14.7 % Ca(NO3)2. You will need grams of calcium nitrate and mL of…

A: Given mass of solution = 207 gm

Q: A sulfur dioxide gas sample has a volume of 242.62 mL at 242279 pascals and 82.99oF. Calculate the…

A: Given,

Q: and sighinicait ngur es. 1. 18 x 10-19– 5.21 x 10-20 O4.03 x 10-20 O4.0x 1020 6.59 x 10-20

A: For addition or subtraction of significant figures, we Round off the sum or difference to the same…

Q: What is the mass of 0.560 moles of chlorine gas?   A. 19.9   B. 63.3   C. 127   D. 39.7…

A:

Q: What mass of oxygen is present in 10.0 grams of potassium nitrate (KNO3)?

A: Mass of KNO3 = 10 g Molar mass of KNO3 = 101.1 g/mol

Q: The correct answer for the addition of 7.5 + 2.26 g + 1.311 g + 2 g is: a. 13.071 g. b. 10 g. с.…

A: Given,  Addition of 7.5 g + 2.26 g + 1.311 g + 2 g

Q: CO 5 hway Hydrate Exp x lab 10 empirical formu X C Lab 11 - Atomic Finger X G periodic table-Google…

A: