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Nouha D.

Chemistry 101

14 hours ago

How many grams of nitric acid (HNO3) are produced by 110 g of nitrogen dioxide (NO2)? 3 NO2 + H2O├Ę2 HNO3 + NO

ND

Nouha D.

Chemistry 101

15 hours ago

How many grams of nitric acid (HNO3) are produced by 110 g of nitrogen dioxide (NO2)? 3 NO2 + H2O├Ę2 HNO3 + NO

ND

Nouha D.

Chemistry 101

15 hours ago

How many grams of water (H2O) are required to react with 70.0 grams of nitrogen dioxide (NO2)? 3 NO2 + H2O├Ę2 HNO3 + NO

ND

Nouha D.

Chemistry 101

16 hours ago

How many grams of sodium (Na) are required to react with 0.800 mol of oxygen (O2)? 4Na+O2 ├Ę2Na2O

ND

Nouha D.

Chemistry 101

16 hours ago

How many moles of sodium oxide (Na2O) are produced by 50.0 g of sodium (Na)? 4 Na + O2├Ę2 Na2O

ND

Nouha D.

Chemistry 101

16 hours ago

15) How many grams of potassium chloride (KCl) are produced by 420 g of potassium bromide (KBr)? 2 KBr + Cl2├Ę2 KCl + Br2

RD

Rafaela D.

Chemistry 101

19 hours ago

The efficiency of a particular catalyst is highly dependent on its zirconium content. The starting material for this preparation is received in batches that assay between 68% and 84% ZrCl. Routine analysis based on precipitation of AgCl is feasible, it having been established that there are no sources of chloride ion other than the ZrCl, in the sample.

SO

Shopnil O.

Chemistry 101

22 hours ago

Watch Jungle Cruise (2021) Online Full Movie Streaming Free 123Movies

AM

Amahle M.

Chemistry 101

1 day, 9 hours ago

What mass of NaNO2 will be produced from the reaction of 14.06 g Na2CO3 , 8.35 g NO and excess O2?

SY

Shakilah Y.

Chemistry 101

1 day, 13 hours ago

I need help with questions 5 and 6. Thank you

Sb

Spartha B.

Chemistry 101

1 day, 14 hours ago

Please solve q8,9,10,11,12,13,15,15,16. Give detailed explanations.

Sb

Spartha B.

Chemistry 101

1 day, 14 hours ago

Please solve this q1,2,34,5,6,7. Give detailed explanations.

ND

Nouha D.

Chemistry 101

1 day, 18 hours ago

How many grams of oxygen (O2) are required to react with 0.300 moles of ammonia (NH3)? 4NH3 +3O2├Ę2N2 +6H2O

ND

Nouha D.

Chemistry 101

1 day, 18 hours ago

How many moles of nitrogen (N2) are produced by 13.0 g of ammonia (NH3)? 4NH3+3O2-----2N2+6H2O

ND

Nouha D.

Chemistry 101

1 day, 18 hours ago

How many grams of sodium (Na) are required to react with 0.800 mol of oxygen (O2)? 4 Na + O2. 2 Na2O

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Saddam D.

Chemistry 101

1 day, 22 hours ago

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ND

Nouha D.

Chemistry 101

2 days, 1 hour ago

A box of salt contains 737 g of sodium chloride (NaCl). How many molecules are in this box?

ND

Nouha D.

Chemistry 101

2 days, 1 hour ago

Cyclopropane (C3H6) is an anesthetic given by inhalation. How many grams of this compound would represent a sample that contains 8.10 x 1022 molecules of this compound?

at

Alex T.

Chemistry 101

2 days, 1 hour ago

How many valence electrons does each of the following species contain? (a) $\mathrm{BN} ;$ (b) $\mathrm{HF} ;$ (c) $\mathrm{OH}^{-} ;$ (d) $\mathrm{CN}^{-}$.

at

Alex T.

Chemistry 101

2 days, 1 hour ago

A certain radioactive nuclide has a half-life of 3.00 hours. a. Calculate the rate constant in $\mathrm{s}^{-1}$ for this nuclide. b. Calculate the decay rate in decays/s for 1.000 mole of this nuclide.

TR

Teresa R.

Chemistry 101

2 days, 1 hour ago

Choose the substance with the larger positional probability in each case. a. 1 mole of $\mathrm{H}_{2}$ (at $\mathrm{STP} )$ or 1 mole of $\mathrm{H}_{2}\left(\text { at } 100^{\circ} \mathrm{C}, 0.5 \mathrm{atm}\right)$ b. 1 mole of $\mathrm{N}_{2}(\text { at } \mathrm{STP})$ or 1 mole of $\mathrm{N}_{2}(\text { at } 100 \mathrm{K}, 2.0 \mathrm{atm})$ c. 1 mole of $\mathrm{H}_{2} \mathrm{O}(s)$ (at $0^{\circ} \mathrm{C} )$ or 1 $\mathrm{mole}$ of $\mathrm{H}_{2} \mathrm{O}(l)\left(\mathrm{at} 20^{\circ} \mathrm{C}\right)$

JS

James S.

Chemistry 101

2 days, 1 hour ago

Oxidation of the cyanide ion produces the stable cyanate ion, $\mathrm{OCN}^{-}$ . The fulminate ion, $\mathrm{CNO}^{-}$, on the other hand, is very unstable. Fulminate salts explode when struck; $\mathrm{Hg}(\mathrm{CNO})_{2}$ is used in blasting caps. Write the Lewis structures and assign formal charges for the cyanate and fulminate ions. Why is the fulminate ion so unstable? (C is the central atom in $\mathrm{OCN}^{-}$ and $\mathrm{N}$ is the central atom in $\mathrm{CNO}^{-}$ )

SW

Sarah W.

Chemistry 101

2 days, 1 hour ago

Place the species below in order of the shortest to the longest nitrogenÔÇôoxygen bond. $$\mathrm{H}_{2} \mathrm{NOH}, \quad \mathrm{N}_{2} \mathrm{O}, \quad \mathrm{NO}^{+}, \quad \mathrm{NO}_{2}^{-}, \quad \mathrm{NO}_{3}^{-}$$ $\left(\mathrm{H}_{2} \mathrm{NOH} \text { exists as } \mathrm{H}_{2} \mathrm{N}-\mathrm{OH} .\right)$

NC

Nate C.

Chemistry 101

2 days, 1 hour ago

As the weapons officer aboard the Starship Chemistry, it is your duty to configure a photon torpedo to remove an electron from the outer hull of an enemy vessel. You know that the work function (the binding energy of the electron) of the hull of the enemy ship is $7.52 \times 10^{-19} \mathrm{J} .$ a. What wavelength does your photon torpedo need to be to eject an electron? b. You find an extra photon torpedo with a wavelength of 259 nm and fire it at the enemy vessel. Does this photon torpedo do any damage to the ship (does it eject an electron)? c. If the hull of the enemy vessel is made of the element with an electron configuration of $[\operatorname{Ar}] 4 s^{1} 3 d^{10},$ what metal is this?

JW

Joseph W.

Chemistry 101

2 days, 1 hour ago

Acetic acid is responsible for the sour taste of vinegar. It can be manufactured using the following reaction: Use tabulated values of bond energies (Table 8.5$)$ to estimate $\Delta H$ for this reaction.

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