physics
A fox is chasing a bunny. The bunny is initially hopping east at 7 m/s when it first sees the fox. Over the next half second the bunny changes its velocity to west at 12 m/s and escapes. What was the bunny's average acceleration (magnitude and direction) during this half-s...
English
Some sticky substances are yucky things. All taffy is a sticky substance. Therefore, some taffy is a yucky thing Is this a valid syllogism
Chemistry
A compound of molecular weight 70.1 has the following composition: Carbon 85.63% and hydrogen 14.37%. What is the empirical formula? What is the molecular formula?
Chemistry
3 N2H4(g)+N2O4(g)¨ 4 N2(g) + 4H2O(g) + 2 H2(g) ∆H= -1310 kJ (-312 kcal) How much energy is produced per mole of hydrazine burned? a. 13.6 kJ (3.25kcal) b. 40.9 kJ (9.75kcal) c. 437 kJ (104kcal) d. 1310 kJ (312 kcal)
Introduction to life Sciences
What are examples of exergonic and endergonic kinds of chemical reactions from everyday life?
Introduction to ljfe sciences BIO 130
Artificial sweeteners, colorants, oils, and medications are manufactured after they are accepted by the U.S. FDA. In order to have such acceptance for public use, companies have to complete exhaustive testing to demonstrate the safety of their products. Outline the testing pro...
Maths
1. A road sign says that no vehicles over 7.5 tonnes may use a bridge. My lorry weighs 4 tonnes, and I have 3.25 tonnes of presents and 4.75 of turkeys in the back of my lorry. How much am I over the bridge limit by? a)3.5 tonnes b)4.5 tonnes c)2.5 tonnes d) None - I should to...
Algebra
3v^2+10v+8
music
what kind of tip would you give me to do for counting the notes on the staves?
Algabra
(x+6)(x^2+3x-4)
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