02/25/22

how many grams of diphosphorus pentoxide can be formed from 750 grams of oxygen
Follows • 2
Expert Answers •1

02/25/22

± Conversions Involving Moles
The mole is defined as the number of atoms in exactly 12g  of carbon-12. The mole equals 6.022*10^23 items of whatever you are counting. This number is also called Avogadro's number, after Amadeo... more
Follows • 2
Expert Answers •2

02/25/22

How many grams of ice at -28.9°C can be completely converted to a liquid at 24.4 ° C if the available heat for this process is 4.44x10^3kJ? For ice, use a specific heat of 2.01 J/(gc°C) and

How many grams of ice at -28.9°C can be completely converted to a liquid at 24.4 ° C if the available heat for this process is 4.44x10^3kJ? For ice, use a specific heat of 2.01 J/(gc°C) and Delta H... more
Follows • 2
Expert Answers •1

02/24/22

How many atoms of phosphorus are in 9.10 mol of copper(II) phosphate? number of P atoms =?
How many atoms of phosphorus are in 9.10 mol of copper(II) phosphate?number of P atoms = ?
Follows • 2
Expert Answers •2

02/24/22

How do you solve this question?
Methanol is used as a fuel in racecars. It can be manufactured according to the reaction (10 points): _____H2 (g) + _____CO (g) _____ CH3OH (l) If 68.3 g of CO is reacted with 8.60 g of H2, how... more
Follows • 2
Expert Answers •1

02/24/22

Could you please show me the process of solving these questions
The reaction of 167 g of Fe2O3 with 85.5 g CO produces 72.3 g Fe. Calculate the following (12 points):a. how much Fe will be formed?b. Calculate the percent yield of FeCould you please show me the... more
Follows • 2
Expert Answers •1

02/24/22

Chemistry help on airbag lab for finding moles theoretical yield
If you made an air bag using 1.000 g baking soda and 1.500 mL 3.00 M acetic acid what would the theretical yield of CO2 gas in moles? which reactant would be limiting?... more
Follows • 1
Expert Answers •1

02/23/22

For the reaction below, Kc = 1.10 × 10⁻⁴. Note Kc is sometimes called K. What is the equilibrium concentration of C if the reaction begins with 0.200 M A and 0.400 M B? 2 A (aq) + B (aq) ⇌ C (aq)
Follows • 2
Expert Answers •2

02/23/22

A photon has a frequency of 2.3 × 10⁸ Hz. What is the energy of this photon?
Follows • 1
Expert Answers •2

02/23/22

Determine the energy, in J, of a photon with a wavelength of 311 nm. (h = 6.626 × 10⁻³⁴ J • s and c = 3.00 × 10⁸ m/s)
Follows • 2
Expert Answers •1

02/23/22

Rate law and Rate Constant
1. The ra‎te of the rea‎ction between hemo‎globin (Hb) and ca‎rbon monox‎ide (CO) was stud‎ied at 20oC. The fo‎llowing data‎ were collectp‎ed with all concentra‎tion units in micromol/L. [Hb]0... more
Follows • 2
Expert Answers •1

02/23/22

Rate of rxn Question and why is the choice true?
Which of the following is true about the rate of reaction Experiment Initial [A](M) Initial [B](M) Initial [C](M) Initial rate of formation of D (M/s) 1 0.20 ... more
Follows • 2
Expert Answers •1

02/23/22

How many millimeters of a 1.30 M NaCl solution are needed to prepare 0.50 L of 0.10 M NaCl?
Follows • 2
Expert Answers •1

02/23/22

What is the concentration of A after 38.7 minutes for the reaction A → Products when the initial concentration of A is 0.800 M? (k = 0.00651 M/min
What is the concentration of A after 38.7 minutes for the reaction A → Products when the initial concentration of A is 0.800 M? (k = 0.00651 M/min
Follows • 1
Expert Answers •2

02/21/22

2HCl + Mg(OH)2 ---> 2H2O + MgCl2
a. If a reaction was conducted with 3.5 mol of HCl and 3.5 mol of M(OH)2, how much (in mol) magnesium chloride could be formed? explain whyb. If a reaction was conducted with 3.5 g of HCl and 3.5 g... more
Follows • 2
Expert Answers •1

02/21/22

Chem Question about Dynamic Equilibrium
At 3‎73 K, the equili‎brium const‎ant for the rea‎ction COCl2(g) = CO(g) + Cl2(g) is 2.9x10-10. The concentratio‎ns of the gas‎es in a 1-L react‎ion flask are [CO‎Cl2]= 3.50x10-3 M,... more
Follows • 2
Expert Answers •1

02/21/22

Chemistry Dynamic Equilibrium
For the reaction: CH‎3CH3(g) + 2H2‎O(g) + Ni(s) = 2C‎O(g) + 5H2(g) + Ni(s)∆H= +30‎0 kJ/mol (a) Wri‎te the equilibri‎um con‎stant express‎ion in KP and K‎C . (b) W‎ill an incre‎ase in the... more
Follows • 2
Expert Answers •1

02/21/22

Chemistry Kinetics

The react‎ions (CH3)3CBr+ OH-=(CH3)3COH+Br-in a certa‎in solve‎nt is fir‎st o‎rder w‎ith res‎pect to (CH3)3CBr and ze‎ro order with re‎spect to OH-. In sev‎eral experi‎ments, the rate con‎stant k... more
Follows • 1
Expert Answers •1

02/20/22

Consider the rate law. rate=𝑘[A]𝑥

Determine the value of  if the rate doubles when  is doubled.x= _____Determine the value of  if the rate quadruples when  is doubled.x= _____
Follows • 2
Expert Answers •1

02/19/22

How long will it take for the concentration of A to decrease from 1.400 M to 0.643 for the zero order reaction A → Products? (k = 0.0345 M/s)
How long will it take for the concentration of A to decrease from 1.400 M to 0.643 for the zero order reaction A → Products? (k = 0.0345 M/s)
Follows • 2
Expert Answers •2

02/19/22

Calculating solubility of Al(OH)3
Calculate the solubility of Al(OH)3 in 0.001 M NaOH. (Ksp = 3.0 x 10-34)
Follows • 2
Expert Answers •1

02/19/22

If 12.3 kg of Al2O3(s), 59.4 kg of NaOH(l), and 59.4 kg of HF(g) react completely, how many kilograms of cryolite will be produced?
Al2O3(s)+6NaOH(l)+12HF(g)⟶2Na3AlF6+9H2O(g)What is the total mass of the excess reactants left over after the reaction is complete?
Follows • 2
Expert Answers •1

02/19/22

ron reacts with oxygen at high temperatures to form iron(III) oxide. 4Fe(s)+3O2(g)⟶2Fe2O3(s) Suppose 13.0 g of iron (Fe) is reacted with 19.7 g of oxygen (O2).
What is the limiting reagent?Calculate the theoretical yield of iron(III) oxideThe reaction produces 8.59 g of iron(III) oxide. What is the percent yield of the reaction?
Follows • 2
Expert Answers •1

02/18/22

Calculate the ion product for mixing 100.0 mL of 0.0030 M CaCl2 with 100 mL of 0.0020 M Na2CO3. Ksp for CaCO3 is 1.4 10–8. Does a precipitate form? CaCO3 (s) ⬄ Ca2+ (aq) + CO32- (aq)
 Calculate the ion product for mixing 100.0 mL of 0.0030 M CaCl2 with 100 mL of 0.0020 M Na2CO3. Ksp for CaCO3 is 1.4 10–8. Does a precipitate form?CaCO3 (s) ⬄ Ca2+ (aq) + CO32- (aq)
Follows • 2
Expert Answers •1

02/18/22

What is the solubility-product constant, Ksp of barium carbonate, BaCO3? Its molar solubility is 1.1x10-4 M. BaCO3 (s) ⬄ Ba2+ (aq) + CO32- (aq)
What is the solubility-product constant, Ksp of barium carbonate, BaCO3? Its molar solubility is 1.1x10-4 M. BaCO3 (s) ⬄ Ba2+ (aq) + CO32- (aq)
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.