Hybridization
Lewis structures
Stoichiometry
Random Chemistry
Random Questions
100

How many Pi bond(s) are present in a standard octet compound of SP2

1 pi bond. 

100

How many lone pairs are present in H2O? 

2

100

Balance the following reaction:

__Mg + __N-> __Mg3N2

3 Mg + 1 N-> 1 Mg3N2

100

What is the Chemical Formula of Sulfuric acid?

H2SO4

100

Free Point :)

(: tnioP eerF

200

What is the bond angle of H2O?

104.5 degrees. 

200

How many lone pairs are present in the entire molecule of H2O2?

4

200

How many grams of oxygen are in a 100 g sample of CO2?

72.7 grams

200

State the answer with Correct Significant Figures.

((182.6-143.)*4.03)/0.800

2.0 X 102

200

Who is on top of Quinn's kill list?

God

300

What is the Hybridization of Cyanide (CN-)? 

SP

300

What is the Electron pair Geometry of PF5

Trigonal Bipyramidal.

300

What is the percent composition by mass of oxygen in a molecule of glucose (C6H12O6)? 

53%

300

What color is liquid oxygen?

blue

300

Since 09/14/22, how many classes has Caiti missed (not including today)?

4

400

How many sigma and pi bonds are in C6H12 (Cyclohexane)? 

18 sigma bonds. 0 pi bonds. 

400

What is the shape (Not geometry) of BrF3(Bromine Trifluoride)? 

T-Shaped

400

Balance the following Reaction:

__C7H10N + __O2 -> __CO2 + __H2O + __NO2

2 C7H10N + 21 O2 -> 14 CO2 + 10 H2O + 2 NO2

400

The existence of electrons in atoms of elements was demonstrated by ________________ after _________ experiment. 

Thompson / Cathode ray tube experiment. 

400

Evaluate the following indefinite integral.

5x2-8x+5

(5x3/3)-4x2+5x+c

500

What is the Hybridization of Sulfur Hexafluoride? 

SP3D2

500

What is the shape of nonahydridorhenate? 

(ReH92-

tricapped trigonal prismatic

500

2 Ca + O-> 2 CaO

If 60 grams of Ca is reacted with excess O2, how many grams of Calcium Oxide are produced? 

About 84 grams of CaO. 

500

What is the Chemical formula of Disulfuric acid?

H2S2O7

500

On the attendance List "Rate Aidan Dempsey", who gave him the lowest rating?

Nathalie Sedano with 6.626 X 10-34

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