Double Distilled
Double Distilled
Need help please! due in 45 minutes! Urgent?

1) An example of a chemical change process in a chemical industry is
a) crude oil fractionally distilled in an oil refinery
b) recovery of salt by evaporation of water from a salt lake
c) lime added to water to produce calcium hydroxide (slaked lime)
d) nitrogen condensed from air for use in the Haber process

2) The substance that would be expected to form a precipitate as a product of a chemical reaction is
a) silver hydroxide
b) calcium sulfide
c) sodium phosphate
d) lithium chloride

3) Classify the following reactions:
Mg(OH)2 + 2HNO3 --> Mg(NO3)2 + 2H2O
a) single replacement
b) decomposition
c) combustion
d) double replacement

1) C - because lime added to water is chemically changing to produce calcium hydroxide. all others are physical changes

2) A - all hydroxides are insoluble with the exception of alkali metal cations, and NH4+, Ca2+, Sr2+, and Ba2+

3) D - because reactant+compound+Reactant+compund=Product Compound+Product Compound

Cheaper brands dominate Miss. liquor sales
Despite a downtrodden economy and jobless rates in double-digits, Mississippians continued to reach for the wine and spirits in 2009.
Beauty Salon Equipment 13 Function Skincare Machine
Beauty Salon Equipment 13 Function Skincare Machine
Paypal   US $612.67 		Beauty Salon Equipment Pro Professional Facial Machine
Beauty Salon Equipment Pro Professional Facial Machine
Paypal   US $862.37 		Beauty Salon Equipment Facial Steamer Mag Lamp Light
Beauty Salon Equipment Facial Steamer Mag Lamp Light
Paypal   US $163.21
ESSIAC 8 HERB Organic TEA PACK Detox Immune CANCER
ESSIAC 8 HERB Organic TEA PACK Detox Immune CANCER
Paypal   US $.99 		16 n 1 Salon Facial Steamer Microdermabrasion Machine
16 n 1 Salon Facial Steamer Microdermabrasion Machine
Paypal   US $862.37 		BookFREE Solar Panels Energy Heat Cooking
BookFREE Solar Panels Energy Heat Cooking
Paypal   US $16.49
View Page:   1  2  3  4  5  6  7  8  9  10
Powered by phpBay Pro