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Chemistry, 23.06.2019 16:30
The body of water labeled with the number 3 on the map above is the and the body of water labeled with the number 7 is the a. orinoco river . . atlantic ocean b. orinoco river . . pacific ocean c. paraná river . . pacific ocean d. amazon river . . atlantic ocean
Answers: 3
Chemistry, 24.06.2019 02:00
Suppose you stand with one foot on ceramic flooring and one on a wool carpet, making contact over an area of 76.0 cm2 with each foot. both the ceramic and the carpet are 2.50 cm thick and are 10.0°c on their bottoms. at what rate in watts must each foot supply heat to keep the top
Answers: 2
Chemistry, 24.06.2019 03:30
Agroup of students working in a high school chemistry lab believe they have discovered a new element! how exciting! upon further testing by scientists (with better equipment), it is found that the new element contains 74 protons and 110 neutrons. 1. what is the atomic number of this element? ¬¬ 2. what is the mass number of this element? 3. is this really a new element? explain your reasoning. 4. give the name and symbol for this 5. when the students discovered it, did they find a solid, a liquid, or a gas? explain your reasoning.
Answers: 2
three chemicals, p , q and r were each dissolved in water. the table shows some of the reaction of t...
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