Homework Answers
1. Salt water and air are the mixtures.
2. Element - third picture
Compound- first picture
Homogeneous mixture- fourth picture
Heterogeneous mixture- second picture
3. Compounds of a homogeneous mixture are visibly distinct- True
The components of homogeneous and heterogeneous mixtures cannot be separated- True
Homogeneous mixtures have uniform properties throughout - True
Pure substances only contain one type of substance and nothing else - True
Heterogeneous mixtures contain more than one part and each part have its own properties - True
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Which of the following are mixtures? water (HO) salt water salt (NaCl) air (mostly N, and O2) O Classify each...
Classify these substances. More than one answer may apply in each case (sapling learing)
Need the answers to these questions Classify these substances. More than one answer may apply in each case. N_2 element compound pure substance homogeneous mixture heterogeneous mixture solution O_2 element compound pure substance homogeneous mixture heterogeneous mixture solution N_2O element compound pure substance homogeneous mixture heterogeneous mixture solution Air (mostly N_2 and O_2) element compound pure substance homogeneous mixture heterogeneous mixture solution
Classify these substances. More than one answer may apply in each case.
Sapling Learning Classify these substances. More than one answer may apply in each case. element element compound O compound pure substance pure substance homogeneous mixture homogeneous mixture heterogeneous mixture heterogeneous mixture solution solution N2O Air (mostly N2 and O2) element element compound compound pure substance pure substance homogeneous mixture homogeneous mixture heterogeneous mixture heterogeneous mixture solution solution & view soluton Check Answer 0 Next 9d Ext
Classify these substances. More than one answer may apply in each case. H2 compound homogeneous mixture...
Classify these substances. More than one answer may apply in each case. H2 compound homogeneous mixture element heterogeneous mixture solution pure substance
Which of the following are mixtures? salt water water (H2O) salt (NaCl) air (mostly N2 and...
Which of the following are mixtures? salt water water (H2O) salt (NaCl) air (mostly N2 and O2)
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
8) Part C Classify the following mixtures as homogeneous or heterogeneous. Drag the appropriate i...
8) Part C Classify the following mixtures as homogeneous or heterogeneous. Drag the appropriate items to their respective bins. 1)steel 2)vodka 3)compost 4)honey 5)fruit salad Part B Classify each of the following substances as an element, a compound, or a mixture. Drag the appropriate items to their respective bins. 1) soft drink 2) hydrogen peroxide, HOOH 3)boron nitride, BN 4) argon, Ar 5) copper, Cu
EXPERIENT 3: SEPARATION OF A SOLID MIXTURE PRE-LABORATORY QUESTIONS : The following preparatory questions should be...
EXPERIENT 3: SEPARATION OF A SOLID MIXTURE PRE-LABORATORY QUESTIONS : The following preparatory questions should be answered before coming to lab. They : are intended to introduce you to several ideas that are important to aspects of the experiment. You must turn in your work to your instructor before you will be : allowed to begin the experiment. 1. What is the difference between a homogeneous and heterogeneous mixture? In the experiment, you are going to separate a solid mixture...
wi A WV Wie duuu tu dig soda 2) Which of the following is a NOT...
wi A WV Wie duuu tu dig soda 2) Which of the following is a NOT a homogeneous mixture? A) Vinegar B) Air C) A slice of pizza D) Salt water 3) Which of the following processes require(s) chemical methods? A) Separating a homogeneous mixture into pure substances. B) Separating a heterogeneous mixture into pure substances. C) Evaporating a saltwater mixture. D) Breaking a compound into its constituent elements. 4) What are the products of a neutralization reaction? A) Water...
QUESTION 7 Which of the following is a chemical change? O a. A damp towel dries....
QUESTION 7 Which of the following is a chemical change? O a. A damp towel dries. b. Peanuts are crushed. O c Water condenses on a mirror. O d. At least two of the above (a-d) exhibit a chemical change. e. A "tin" can rusts QUESTION 8 A homogeneous mixture is also called a. a compound. b. a pure substance. c. a heterogeneous mixture. d. a solution. e. an element. QUESTION 9 In which phase of water are the molecules...
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...
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
EXPERIENT 3: SEPARATION OF A SOLID MIXTURE PRE-LABORATORY QUESTIONS : The following preparatory questions should be answered before coming to lab. They : are intended to introduce you to several ideas that are important to aspects of the experiment. You must turn in your work to your instructor before you will be : allowed to begin the experiment. 1. What is the difference between a homogeneous and heterogeneous mixture? In the experiment, you are going to separate a solid mixture...
wi A WV Wie duuu tu dig soda 2) Which of the following is a NOT a homogeneous mixture? A) Vinegar B) Air C) A slice of pizza D) Salt water 3) Which of the following processes require(s) chemical methods? A) Separating a homogeneous mixture into pure substances. B) Separating a heterogeneous mixture into pure substances. C) Evaporating a saltwater mixture. D) Breaking a compound into its constituent elements. 4) What are the products of a neutralization reaction? A) Water...
QUESTION 7 Which of the following is a chemical change? O a. A damp towel dries. b. Peanuts are crushed. O c Water condenses on a mirror. O d. At least two of the above (a-d) exhibit a chemical change. e. A "tin" can rusts QUESTION 8 A homogeneous mixture is also called a. a compound. b. a pure substance. c. a heterogeneous mixture. d. a solution. e. an element. QUESTION 9 In which phase of water are the molecules...
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...
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