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1. Calcium, an element, is a dull, gray solid that melts at 839°C. When it is placed in water, bubbles form, as the solid calcium slowly disappears in the water. When the water is evaporated, a white powder remains, but elemental calcium is not recovered. Which are the physical properties of calcium? Which is a chemical property?

1. Calcium, an element, is a dull, gray solid that melts at 839°C. When it is placed in water, bubbles form, as the solid calcium slowly disappears in the water. When the water is evaporated, a white powder remains, but elemental calcium is not recovered. Which are the physical properties of calcium? Which is a chemical property?

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter1: Matter And Measurements
Section: Chapter Questions
Problem 67QAP: How do you distinguish (a) chemical properties from physical properties? (b) distillation from...
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1. Calcium, an element, is a dull, gray solid that melts at 839°C. When it is placed in water, bubbles form, as the solid calcium slowly disappears in the water. When the water is evaporated, a white powder remains, but elemental calcium is not recovered. Which are the physical properties of calcium? Which is a chemical property? 2. A beaker of an unknown blue translucent liquid solution has a volume of 215.6 mL and a mass of 492.4 g. Initially, its temperature is 25°C. When heated, it boils at 149.4°C. If ignited, it burns completely with a green flame, leaving no residue behind. Which are the physical properties? Which is a chemical property? 3. Biogesic for Kids is a paracetamol suspension. After letting it sit undisturbed, you see a layer of white solid forming at the bottom. When filtered, the white powdery solid is odorless and has a slightly bitter taste. The remaining liquid has an artificial orange flavor and has a translucent orange color. When the liquid is heated, it boils at 103.8°C. After 20 mins, the remaining liquid is a sticky sweet deep orange liquid. Which are the physical properties? Which is a chemical property? What are the possible components present?
Transcribed Image Text:1. Calcium, an element, is a dull, gray solid that melts at 839°C. When it is placed in water, bubbles form, as the solid calcium slowly disappears in the water. When the water is evaporated, a white powder remains, but elemental calcium is not recovered. Which are the physical properties of calcium? Which is a chemical property? 2. A beaker of an unknown blue translucent liquid solution has a volume of 215.6 mL and a mass of 492.4 g. Initially, its temperature is 25°C. When heated, it boils at 149.4°C. If ignited, it burns completely with a green flame, leaving no residue behind. Which are the physical properties? Which is a chemical property? 3. Biogesic for Kids is a paracetamol suspension. After letting it sit undisturbed, you see a layer of white solid forming at the bottom. When filtered, the white powdery solid is odorless and has a slightly bitter taste. The remaining liquid has an artificial orange flavor and has a translucent orange color. When the liquid is heated, it boils at 103.8°C. After 20 mins, the remaining liquid is a sticky sweet deep orange liquid. Which are the physical properties? Which is a chemical property? What are the possible components present?
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