Question

how many grams of P4 (123.88g/mol) would contain the same number of atoms as 154 g...

how many grams of P4 (123.88g/mol) would contain the same number of atoms as 154 g S8 (256.48 g/mol)?

which of the foloowing will lead to an increase in the kinetic energies of photoelectrons emitted when the light is incident on metal surface?

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
1- How many grams of H2S contain the same number of molecules as 13.9 g of...
1- How many grams of H2S contain the same number of molecules as 13.9 g of BH3? 2- how many moles of n atoms are contained in 12 mol n2o5? 3- Refer to the periodic table and determine how many grams of sulfur contain the same number of atoms as 8.99 grams of phosphorus. ________g
How many grams of sodium contain the same number of atoms as 12.4 g of potassium?...
How many grams of sodium contain the same number of atoms as 12.4 g of potassium? Using correct significant figures.
In the production of iron metal, a mixture of 228g P4 (MW=154 g/mol) and 205g Cl2...
In the production of iron metal, a mixture of 228g P4 (MW=154 g/mol) and 205g Cl2 (MW=71 g/mol) are heated together the following reaction takes place to form PCl5 (MW=208 g/mol): P4(g)+10 Cl2(g)---> 4PCl5(g). a) what is the limiting reactant? b) How many grams of PCl5 can be produced? c) If 157 g of Pcl5 is actually obtained what is the percent yield of the reaction?
1- How many moles of N2O5 contain the same number of nitrogen atoms as exactly 19...
1- How many moles of N2O5 contain the same number of nitrogen atoms as exactly 19 mol of NO2? 2- How many grams are contained in 0.900 mol of calcium phosphate, Ca3 (PO4)2? 3- Ga Number of electrons =_______ electrons Number of protons = _________protons 4- element number 79 Number of electrons = _____electrons Number of protons = ______protons 5- What are the symbol and name for an element whose average atoms have a mass that is 59.6% of the...
1. How many grams are contained in 2.00 mol of neon atoms 2. Calculate the number...
1. How many grams are contained in 2.00 mol of neon atoms 2. Calculate the number of moles of sulfur represented by 1.81x10 24exponent atoms of sulfur 3. 3.4x10-5exponent moles of Na2co3 to grams
1.A chemist requires 0.240 mol Na2CO3 for a reaction. How many grams does this correspond to?...
1.A chemist requires 0.240 mol Na2CO3 for a reaction. How many grams does this correspond to? 2.How many grams of potassium oxide (K2O) are there in 0.502 moles? 3.How many moles of carbon monoxide (CO) are in 18.3 g of the compound? 4.How many atoms are there in 80.3 g of potassium dihydrogen phosphate (KH2PO4)? 4.A sample of C3H8 has 9.52 × 1024 H atoms. How many carbon atoms does the sample contain and What is the total mass of...
13. Aluminum oxide a.  a MW of 101.96 g/mol. How many moles of ALUMINUM would be in...
13. Aluminum oxide a.  a MW of 101.96 g/mol. How many moles of ALUMINUM would be in 10200 g aluminum oxide?    b. a MW of 101.96 g/mol. How many grams of aluminum oxide would be in 100 moles aluminum oxide? c.  a MM of 102 g/mol. How many oxygen atoms would be in 204 g aluminum oxide? d. What is the mass of oxygen in 204 g aluminum oxide?
How many grams of calcium gluconate (MW = 430) will contain the same number of milliequivalents...
How many grams of calcium gluconate (MW = 430) will contain the same number of milliequivalents of calcium as 2 10-grain tablets of calcium lactate (MW = 218)? Round your final answer to the nearest thousandth.
1. How many moles of atoms are contained in 21.0 g of Br2 ? 2. 1.28...
1. How many moles of atoms are contained in 21.0 g of Br2 ? 2. 1.28 x 1024atoms of S. (Calculate the number of grams) 3. How many atoms are contained in (5 molecules CH3COOH) and (12.0 mol H2O) 4. calculate the number of grams of hydrogen in 8.44 mol H2SO4 5. A. What is the element of ( 65.2 g sample of a compound containing 36.8 g silver, 12.1 g chlorine, and the rest, oxygen) B. compound containing 38.0...
16. How many liters of a 2.5% solution of sucrose would contain the same number of...
16. How many liters of a 2.5% solution of sucrose would contain the same number of grams of sugar as 3.75 L of a 6.0% sucrose solution? 17. A hydrated compound has an analysis of 18.29% Ca, 32.37% Cl and 49.34% H2O. What is its formula? 18. Antibiotics are complex organic chemicals which have the ability to destroy or inhibit the growth of microorganisms such as bacteria and viruses. Aureomycin is an antibiotic which contains 55.2% C, 26.7% O, 5.85%...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT