1. To convert 20g of ice at -5oC to 120oC to steam you need __________ cal of energy? Assume specific heat for all three phases

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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I need help with some questions for my biology homework. 1. To convert 20g of ice at -5oC to 120oC to steam you need __________ cal of energy? Assume specific heat for all three phases. 2. An atom Gi has a heavier isotope. The heavier isotop had 42 neutrons- it has new 2 neutrons more than the regular atom. Gi + ^2 has 40 electrons. What is the atomic mass of this atom? Show work to justify the atomic mass. 3. Cell wall of plants are made of _________ and that fungi are made out of ________ 4. Cooking oil and gasoline are hydrocarbons. They are _______ (soluble/insoluble) in water because C-H bond is ________ (Polar/Non Polar) 5. Given below are two atoms. They are _________ of Hydrogen because they have __________. They are still considered Hydrogen because they have ____________. 6. You are given element^28 Zn60 (atomic number of 28 and atomic mass 60) How many protons, electrons and neutrons? Protons: Neutrons: Electrons: Give its electronic configuration
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