Homework Answers
Gases and liquids don’t have a definite shape they procure the shape of the container in which they are kept. So, the correct option is D I,e indefinite shape.
Also, liquids have a definite volume but gases have indefinite volume.
C) The correct option is D. I,e more than one option correct.
For a Homogeneous mixture I,e solid, liquid or gas the components present have to be in one single phase.
For a Heterogenous mixture, the components present has to be in two or more phases that rule out the possibility of the heterogeneous mixture to be present in a single phase. So option B is correct.
But also we can vary the composition of a Homogenous mixture.
Q.No 2.
a) CoBr2 and CoBr2 Both are having the same number of elements as well as the same number of atoms.
Cs and Cs: Both are having the same number of elements as well as the same number of atoms
Add Answer to:
QUESTION 1 Which of the following is a property of both gases and liquids? a. Indefinite...
Which of the following is a property of both gases and liquids? O definite shape O...
Which of the following is a property of both gases and liquids? O definite shape O definite volume indefinite shape O indefinite volume Question 4 4 pts In which one of the following measure numbers are all of the zeros significant? O 0.0705 O 0.000440 O 3,300,000 O 3.945900
Question 40 Which of the following statements regarding the mixing of gases is correct? More massive...
Question 40 Which of the following statements regarding the mixing of gases is correct? More massive gases settle to the bottom of a container, leaving lighter gases near the top b. Nonpolar gases do not mix with polar gases The relative proportions of gases in a mixture vary throughout the container, depending on the pressure d. Gases mix more uniformly at lower temperatures All gas mixtures are homogeneous
which statement is incorrect concerning differences of gases, liquids and solids? a) gases are easily compressed...
which statement is incorrect concerning differences of gases, liquids and solids? a) gases are easily compressed when stored under pressure. b) liquids have a definite volume and take the shape of their container. c) for a gas, molecules are held in specific spatials relationships. d) the change of state of gas to a solid is called deposition.
Question 6 0.5 pts Which of the following is an observed property of gases? gases compress...
Question 6 0.5 pts Which of the following is an observed property of gases? gases compress infinitely gases have a fixed shape all of the above gases have a high density none of the above Question 7 0.5 pts Which of the following properties is NOT observed for gases? gases expand to fill the container gases have a low density O gases compress and may liquefy gases have a definite shape and volume gases mix with other gases
How many carbon monoxide molecules are there in 2.33 moles of carbon monoxide? 1 O a)...
How many carbon monoxide molecules are there in 2.33 moles of carbon monoxide? 1 O a) 2.02 x 1024 O b) 7.88 x 1023 c) 1.40 x 1024 O d)3.54 x 1024 e) 1.11 x 1022 Which of the following compounds is a covalent compound? 2 Choose all that apply. a) Li2o b) CS2 c) NiCl2 d) NF3 e) Ca3P2 fCsF Which of the following is a property of both solids and gases? 3 a) high degree of compressibility b)...
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 11 (1.5 points) Which of the following traits is not characteristic of a solution? O...
Question 11 (1.5 points) Which of the following traits is not characteristic of a solution? O A) The components of a solution are dispersed on a molecular scale. B) The dissolved solute will not settle out or separate from the solvent. C) Solutions can only be made from gases and liquids. D) The composition of a solution can vary continuously, but may have limitations due to solubility.
#1) Which of the following gas samples contains the greatest mass of gas molecules? a. 1...
#1) Which of the following gas samples contains the greatest mass of gas molecules? a. 1 L of He at STP b. 1 L of Xe at STP c. 1 L of H2 at STP d. All are the same #2) Which physical property/state is incorrectly matched? a. liquids - rigid shape b. gases - easily compressed c. gases and liquids - flow d. solids - higher density than gases e. liquids - incompressible
1. Short Answer Questions on Gases: a State whether the following comments are True or Falso....
1. Short Answer Questions on Gases: a State whether the following comments are True or Falso. If false, modify the statement so that it is correct (5 pts ench). 1. Pressure and volume are inversely proportional 2. Gases behave most ideally at high pressure and low temperature 3. Gases have definite shape and no definite volume 4. Pressure and temperature are directly proportional b. In a reaction flask, 120 torr of CO2 is combined with 150 torr of NH3(g) and...
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...
Which of the following is a property of both gases and liquids? O definite shape O definite volume indefinite shape O indefinite volume Question 4 4 pts In which one of the following measure numbers are all of the zeros significant? O 0.0705 O 0.000440 O 3,300,000 O 3.945900
Question 40 Which of the following statements regarding the mixing of gases is correct? More massive gases settle to the bottom of a container, leaving lighter gases near the top b. Nonpolar gases do not mix with polar gases The relative proportions of gases in a mixture vary throughout the container, depending on the pressure d. Gases mix more uniformly at lower temperatures All gas mixtures are homogeneous
Question 6 0.5 pts Which of the following is an observed property of gases? gases compress infinitely gases have a fixed shape all of the above gases have a high density none of the above Question 7 0.5 pts Which of the following properties is NOT observed for gases? gases expand to fill the container gases have a low density O gases compress and may liquefy gases have a definite shape and volume gases mix with other gases
How many carbon monoxide molecules are there in 2.33 moles of carbon monoxide? 1 O a) 2.02 x 1024 O b) 7.88 x 1023 c) 1.40 x 1024 O d)3.54 x 1024 e) 1.11 x 1022 Which of the following compounds is a covalent compound? 2 Choose all that apply. a) Li2o b) CS2 c) NiCl2 d) NF3 e) Ca3P2 fCsF Which of the following is a property of both solids and gases? 3 a) high degree of compressibility b)...
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 11 (1.5 points) Which of the following traits is not characteristic of a solution? O A) The components of a solution are dispersed on a molecular scale. B) The dissolved solute will not settle out or separate from the solvent. C) Solutions can only be made from gases and liquids. D) The composition of a solution can vary continuously, but may have limitations due to solubility.
1. Short Answer Questions on Gases: a State whether the following comments are True or Falso. If false, modify the statement so that it is correct (5 pts ench). 1. Pressure and volume are inversely proportional 2. Gases behave most ideally at high pressure and low temperature 3. Gases have definite shape and no definite volume 4. Pressure and temperature are directly proportional b. In a reaction flask, 120 torr of CO2 is combined with 150 torr of NH3(g) and...
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...
Most questions answered within 3 hours.
-
Cross a heterozygous blue-eyed goat with a homozygous brown-eyed
goat. Be sure to indicate which kids...
asked 25 minutes ago -
Use the following information to answer the next two
questions.
Please refer to question 9-90. A...
asked 33 minutes ago -
A solution containing 0.050 g of an unknown electrolyte in 2.50
g of cyclohexane was found...
asked 42 minutes ago -
Question 1
a) Hydraulic conductivity of soils is an important parameter for
the design of engineering...
asked 42 minutes ago -
Suppose your credit card balance is
$15,000
The minimum payment is
$313
and the annual percentage...
asked 39 minutes ago -
Professor plays basketball and makes 75% of free
throws she shoots. If professor shot 5 free...
asked 42 minutes ago -
Create an ArrayListReview class with one generic type to do the
following
• Creates an array...
asked 1 hour ago -
Two thermic power plants have the following marginal and total
cost of abatement of nitrogen oxide...
asked 1 hour ago -
Which of the following statements does not correctly describe an
adjustment to net income when determining...
asked 1 hour ago -
A sample of argon gas has a volume of 735 mL at a pressure of
1.20...
asked 1 hour ago -
Write a Java program to find the perimeter of rectangle and ask
the user to input...
asked 1 hour ago -
what will be the effect of increasing the substrate
concentration in the presence of competitive inhibition?...
asked 1 hour ago