Chemistry
For part A) I know it goes something like this. 40.0g(4.184)(48.9-37.3). But it asks for heat released by hot water i'm not exactly sure what to do. I know c is A)-B)
Biology
Dinosaurs were reptiles that grew to enormous sizes. What may an evolutionist hypothesize about the oxygen content of the environment during the age of dinosaurs?
Biology
PLEASE HELP!!!! 1. How many millions of years ago did sharks first appear? (Make sure you are looking for animals that only have cartilage skeletons). 2. How many millions of years ago did bony fish (like the perch) first appear? 3. How many millions of years ago did amphibian...
Biology
Fish have a two chambered heart called a single loop. Discuss the benefits and drawbacks of this system.
Math
Around 89% 0.888888888888888888888888889 Repeating 0.89
Biology
Amphibians have a three chambered heart. Discuss the importance of the extra chamber in terms of the obvious physical differences that amphibians like frogs have from fish.
Biology
Reptiles and mammals both have a four chambered heart yet reptiles utilize the sun to monitor body temperature while mammals control body temperature internally. What does this mean about the separation of oxygenated (blood that already picked up oxygen from the lungs) and deo...
Biology
Dinosaurs were reptiles that grew to enormous sizes. What may an evolutionist hypothesize about the oxygen content of the environment during the age of dinosaurs?
Chemistry
20.0 mL of HCl in a flask Titration required 12.3 mL of 0.108M Mg(OH)-2 What is the molarity of the HCl?
English
What are some connections* to Rip Van Winkle? *Connection to... -Self -World I need connection to other books and things
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