There is caffeine in both instant coffee and brewed coffee.
I don't know if this helps, but for anything further you will have to phrase your question better.
The main ingredient of coffee powder, or instant coffee, is coffee. It is the same as regular coffee, however, its caffeine quotient is affected by the process of freeze drying.
Instant coffee has about 65-100mg of caffeine per 12 oz.
The "boost" from coffee comes from the caffeine. The answer would be Yes. Regular coffee gives your metabolism a bigger boost than decaffeinated coffee. The average mg's of caffeine in an 8 ounce cup of regular coffee is about 100mg. Decaf coffee is not caffeine free and contains from 15 to 20 mg of caffeine in an 8 ounce cup
70-120mg. Instant coffee on the low end and espressos with more.
Coffee can have many different brews, flavors, and roasts. Unless the container specifies that is it decaffeinated or of a lower caffeine content, it has a normal caffeine content.
Breakfast blend. The longer a coffee beam roasts the less caffeine it has, so lighter roasts, in general, have more caffeine.
Instant, freeze dried coffee will dissolve in water, the hotter the water, the faster the coffee dissolves. Regular coffee made from coffee beans, will not dissolve in water, instead hot water will get the flavor (oils and alkaloids aka caffeine) and aroma(oils) from coffee, and disperse it in the water; leaving the coffee grounds behind to be disposed.
No. A shot of espresso has about 80-100 mg of caffeine, whereas a cup of regular coffee has 100-135 mg. Since the servings of espresso are generally much smaller than coffee, the content of caffeine per mL is often higher than a cup of coffee, but between a shot of espresso and a cup of coffee, the coffee has more.
Regular coffee contains caffeine (it varies, but somewhere around 80mg per 8 or 12 oz I believe) while decaf has had the caffeine removed, though it still contains traces of caffeine.
74 mg per teaspoon
Decaf tea or decaffeinated tea has most of the tea extracted through a chemical process. Decaf tea still contains some caffeine, and not just traces, but just a small amount. This can be a matter of concern for people who have extreme sensitivities to caffeine for medical reasons, but it's enough that most people would not notice it. Unfortunately, the decaffeination process also extracts flavor, so decaf teas tend not to taste as good as their caffeinated counterparts. Caffeine free herbal teas (which are not true teas, as they are not made from the tea plant), on the other hand, naturally do not contain any caffeine. They also have their full flavor intact.
Based on regular serving sizes, coffee contains more caffeine. There are 95mg in a standard 8oz cup of coffee and 32mg in a 12oz can of Classic Coca-Cola.