16. If a sample of matter is uniform throughout and cannot be separated into other substances...
16. If a sample of matter is uniform throughout and cannot be separated into other substances by physical means, it is __________. EXPLAIN ANSWER
A). A compound
B). Either a compound or an element
C). A homogeneous mixture
D). A heterogeneous mixture
E). An element
Homework Answers
c) A homogenous mixture
Homogeneous mixture is uniform throughout and cannot be separated into other substances by physical means
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16. If a sample of matter is uniform throughout and cannot be
separated into other substances...
Which of the following are mixtures? water (HO) salt water salt (NaCl) air (mostly N, and O2) O Classify each...
Which of the following are mixtures? water (HO) salt water salt (NaCl) air (mostly N, and O2) O Classify each substance as an element, a compound, a homogeneous mixture, or a heterogeneous mixture. Element Compound Homogeneous mixture Heterogeneous mixture Answer Bank Classify the phrases pertaining to pure substances and mixtures as either true or false. True False Answer Bank Components of a homogeneous mixture are visibly distinct The components of homogeneous and heterogeneous mixtures cannot be separated Homogeneous mixtures have...
QUESTION 4 Give the classification of matter when two substances exist with two phases present. a....
QUESTION 4 Give the classification of matter when two substances exist with two phases present. a. homogeneous mixture b. element c. compound d. heterogeneous mixture QUESTION 5 An example of a pure substance is a. pure water b.compounds c. all of these d. carbon dioxide e.elements QUESTION 6 Which of the following involves no chemical change? a. Boiling of water b. Burning of paper c. Lighting a matchstick d. Driving a car e. Baking a cake
1. Which ONE of the following lists gives the correct symbols for the elements phosphorus, potassium,...
1. Which ONE of the following lists gives the correct symbols for the elements phosphorus, potassium, silver, chlorine, and sulfur in that order? A) K, Ag, Po, Cl, S B) P, Po, Ag, CI, S C) Ph, K, Ag, S, Cl D) E) P, K, Ag, Cl, S Ph, Po, Ag, CI,S 2. Which of the following is NOT a correct name-symbol combination? A) beryllium, Be B) boron, B C) cobalt, Co D) magnesium, Mn E) copper, Cu 3. If...
4 pc 1. Classify each type of matter as a pure substance or a mixture. If...
4 pc 1. Classify each type of matter as a pure substance or a mixture. If it is a pure substance, classify it as an element or a compound. If it is a mixture, classify it as homogeneous or heterogeneous a mercury in a thermometer b. exhaleda c. chicken noodle soup d Sugar
QUESTION 2 Which of the following types of matter best describes sugаred tea? O compound homogeneous...
QUESTION 2 Which of the following types of matter best describes sugаred tea? O compound homogeneous mixture O element heterogeneous mixture QUESTION 3 Classify each as an element (E), compound (C), or mixture (M). 1. Carbon monoxide (CO) 2. air 3. tungsten (W) filament in a light bulb 4. ice
9) Mixtures can vary in composition throughout a sample it called a- heterogeneous mixture b- homogeneous...
9) Mixtures can vary in composition throughout a sample it called a- heterogeneous mixture b- homogeneous mixture - Solution d-compound 10) which of the following quantity represents a volume measurement? a-12 m b-2.35 L/S C-31 m d-11x10* dm 11) A combination of sand, salt, and water is an example of a a-homogeneous mixture b- pure substance C-compound d- heterogeneous mixture 12) Which one of the following is the highest temperature? a-302 K b-38 °C C-96 °F d- none of the...
QUESTION 5 Match the substance on the left with the type of matter on the right...
QUESTION 5 Match the substance on the left with the type of matter on the right Salt water A. Heterogeneous Mixture Gold B. Element Fruit Salad C. Homogeneous Mixture Ammonia (NH3) D. Compound QUESTION 8 Which of these numbers is the smallest? O 7.54 x 10-5 4.001 x 10-7 O 1.343 x 10-10
AIR choose the classification below that is most appropriate: A) pure element B) pure compound C)...
AIR choose the classification below that is most appropriate: A) pure element B) pure compound C) mixture of elements D) mixture of compounds E) mixture of both elements and compounds For the samples that you identified as mixtures (i.e., that you labelled C, D, or E), also indicate whether that mixture is a solution, a suspension, or a heterogeneous mixture. Also indicate the specific substances and/or types of atoms present in each sample, to the extent possible. In some cases,...
1. Classify each of the following as a pure substance or a mixture. If it is...
1. Classify each of the following as a pure substance or a mixture. If it is a pure substance, classify it as an element or a compound. If it is a mixture, classify it as homogeneous or heterogeneous. (a) Air (b) Sugar (c) Brass gas (e) Wine (d) (1) Chlorine Soil
(X) A mysterious clear, pink liquid is found in a laboratory. Upon being heated, most of...
(X) A mysterious clear, pink liquid is found in a laboratory. Upon being heated, most of the liquid evaporates as colorless vapor, leaving behind a red solid. Based on these observations, the original pink liquid was most likely (a) an element (b) a compound (c) a homogeneous mixture (d) a heterogeneous mixture (xi) Would you classify the evaporation that happened in (xii) as a physical change or as a chemical change?
Which of the following are mixtures? water (HO) salt water salt (NaCl) air (mostly N, and O2) O Classify each substance as an element, a compound, a homogeneous mixture, or a heterogeneous mixture. Element Compound Homogeneous mixture Heterogeneous mixture Answer Bank Classify the phrases pertaining to pure substances and mixtures as either true or false. True False Answer Bank Components of a homogeneous mixture are visibly distinct The components of homogeneous and heterogeneous mixtures cannot be separated Homogeneous mixtures have...
QUESTION 4 Give the classification of matter when two substances exist with two phases present. a. homogeneous mixture b. element c. compound d. heterogeneous mixture QUESTION 5 An example of a pure substance is a. pure water b.compounds c. all of these d. carbon dioxide e.elements QUESTION 6 Which of the following involves no chemical change? a. Boiling of water b. Burning of paper c. Lighting a matchstick d. Driving a car e. Baking a cake
1. Which ONE of the following lists gives the correct symbols for the elements phosphorus, potassium, silver, chlorine, and sulfur in that order? A) K, Ag, Po, Cl, S B) P, Po, Ag, CI, S C) Ph, K, Ag, S, Cl D) E) P, K, Ag, Cl, S Ph, Po, Ag, CI,S 2. Which of the following is NOT a correct name-symbol combination? A) beryllium, Be B) boron, B C) cobalt, Co D) magnesium, Mn E) copper, Cu 3. If...
4 pc 1. Classify each type of matter as a pure substance or a mixture. If it is a pure substance, classify it as an element or a compound. If it is a mixture, classify it as homogeneous or heterogeneous a mercury in a thermometer b. exhaleda c. chicken noodle soup d Sugar
QUESTION 2 Which of the following types of matter best describes sugаred tea? O compound homogeneous mixture O element heterogeneous mixture QUESTION 3 Classify each as an element (E), compound (C), or mixture (M). 1. Carbon monoxide (CO) 2. air 3. tungsten (W) filament in a light bulb 4. ice
9) Mixtures can vary in composition throughout a sample it called a- heterogeneous mixture b- homogeneous mixture - Solution d-compound 10) which of the following quantity represents a volume measurement? a-12 m b-2.35 L/S C-31 m d-11x10* dm 11) A combination of sand, salt, and water is an example of a a-homogeneous mixture b- pure substance C-compound d- heterogeneous mixture 12) Which one of the following is the highest temperature? a-302 K b-38 °C C-96 °F d- none of the...
QUESTION 5 Match the substance on the left with the type of matter on the right Salt water A. Heterogeneous Mixture Gold B. Element Fruit Salad C. Homogeneous Mixture Ammonia (NH3) D. Compound QUESTION 8 Which of these numbers is the smallest? O 7.54 x 10-5 4.001 x 10-7 O 1.343 x 10-10
1. Classify each of the following as a pure substance or a mixture. If it is a pure substance, classify it as an element or a compound. If it is a mixture, classify it as homogeneous or heterogeneous. (a) Air (b) Sugar (c) Brass gas (e) Wine (d) (1) Chlorine Soil
(X) A mysterious clear, pink liquid is found in a laboratory. Upon being heated, most of the liquid evaporates as colorless vapor, leaving behind a red solid. Based on these observations, the original pink liquid was most likely (a) an element (b) a compound (c) a homogeneous mixture (d) a heterogeneous mixture (xi) Would you classify the evaporation that happened in (xii) as a physical change or as a chemical change?
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