hadenh71 hadenh71

15-12-2022
Chemistry

Answered

Please Help!

How many atoms of sulfur are in a 2.500 mole sample of pure sulfur? *
O 1.505 x 10 24
O 5.69 x 10-24
O 110.
O 1.20 x 1024

Please Help How many atoms of sulfur are in a 2500 mole sample of pure sulfur O 1505 x 10 24 O 569 x 1024 O 110 O 120 x 1024 class=

Answer :

Other Questions

Which measurement of length is the smallest? O 9 x 10-6 m O 7 x 10-5 m 07 7 x 10¹ m O 9 x 10² m

What best describes an element? * Two or more elements that can be physically separated Two or more atoms that are chemically combined. O Pure substances that c

Answer the four questions below regarding a particular type of alkaline battery in which the following half-reactions are used () +2015 (ap) F-0150 2 MnO, (1) +

Calculate the Ecell value at 298 K for the cell based on the reaction: Cu(s) + 2Ag+ (aq) →→→ Cu²+ (aq) + 2Ag(s) where [Ag*] = 0.00175 M and [Cu²+] = 5.00×104 M.

The effective nuclear charge, Zeff, experienced by valence electrons in an atom can be estimated from the equation: Zeff = the number of protons – the number of

Draw the Lewis structures for the following particles. Which one can exhibit resonance? A. CO3-² B. N2 C. CH₂Br2 D. CO₂

predict which aqueous solution will have the lowest freezing point A. 0.25MOL/LITER SUCROSE B. 0.15 MOL/LCaCl2 C. 0.15MOL/LNaCl D. 0.2MOL/LNaNO3

Part 1 (1 point Write the balanced chemical equation that occurs in an electrochemical cell that employs these half-reactions. Include states of matter. XX Mo➡

A 1.45 V battery is based on the following cell reaction: Zn(s) + 2NH₂Cl(s) + 2MnO₂ (s) →→→ Zn(NH3)₂Cl₂ (s) +Mn₂O3(s) + H₂O (1) - V 1st attempt What is the valu

D Question 54 What is the standard enthalpy change for the reaction of H,O20 --> ½O2(g) + H₂O(g) Use the following information: H2(g) + O2(g)--> H₂O200 2H