Other Chemistry Answers

What mass of copper will be deposited by the liberation of cu +2 when 0.1f of electricity flow through an aqueous solution of copper II salt(cu= 64)

How many moles are in 3.01x10^23 particles?

Determine the oxidation number of the sulfur in the so²- ions and the so² ions and use this number to each ion.

B)suggest an alternative name for nitrogen monoxide ( NO) using oxidation number

C)determine the oxidation number of a)bromine in-bromine dioxide( Bro²) the Bro² ion and the bro- in. b) nitrogen in : amonia NH²), the NO² ion and dinitrogen monoxide (N²O)

State with a reason, whether each of the following shows oxidation or reduction a)1²(Aq)+2e -----------21(Aq)

B)cu(AQ)-------------------cu²(aq)+e

C)2Br(aq)-----------------br²(aq+2e)

An electron orbital represents

Which of the following measurements has the least absolute uncertainty, 218kg or 860kg ?

which of the following has the least absolute uncertainty, 6.942x10⁴cm³ or 8.70x10⁵cm³ ?

which measurement has the least relative uncertainty 7.02x10^-1m or 7x10^0m ?

Quartz, SiO2, is the most abundant mineral found at Earth's surface and its unique properties make it one of the most useful natural substances. Quartz is a chemical compound consisting of one part silicon and two parts oxygen, what is its percentage composition?​

Identify the type of notation in H2O

Calculate the volume of 0.0500 M EDTA needed to titrate the Ca and Mg in a 0.1612-g sample that is 92.5% dolomite, CaCO 3 ·MgCO 3

(184.4 g/mol)

What is the mass of chlorine-37 (24.23%), if the mass of chlorine-35 (75.77%) is

34.969g and the atomic mass of chlorine is 35.453 g?