Which statements are true when comparing one kilogram of sand and one kilogram of Styrofoam? i. The sand has a greater mass than the Styrofoam. ii. The Styrofoam has a greater mass than the sand. iii. The sand and Styrofoam have equal masses. iv. The sand has a greater volume than the Styrofoam. v. The Styrofoam has a greater volume than the sand. vi. The sand and Styrofoam have equal volume. A. i and v B. ii and iv C. iii and v D. iii and vi
Q) when comparing one kilogram of sand and one kilogram of Styrofoam..
Answer:- (C) :- (3) and (5)
The sand and Styrofoam have equal masses . But the Styrofoam has a greater volume than the sand .
Which statements are true when comparing one kilogram of sand and one kilogram of Styrofoam? i....
Which of the following statements about the Diel-Alder reaction
are true?
Which of the following statements about the Diels-Alder reaction are true? I. The Diels-Alder reaction is endothermic. II. The Diels-Alder reaction is exothermic. III. The Diels-Alder reaction is favored entropically. IV. The Diels-Alder reaction is disfavored entropically. V. The Diels-Alder reaction is favored at extremely high temperatures. VI. The Diels-Alder reaction is favored at room temperature to moderate temperature. (A) I, IlI, and VI (B) II, IV, V (C)...
6. Which of the following statements are TRUE? I. When ? < 30, both ?ത and ? = (?̅− ?)/ ?⁄√?, are normally distributed. II. When ? < 30 and population variance is unknown the ? distribution is used for testing µ. III. ? distribution is mound shaped and symmetric at ? = 0.5. IV. The degrees of freedom associated with the testing of 1 population variance is ? − 1. A. I and II C. II and III B....
An image is real. Which of these statements are necessarily true for this image? I. The image is upright. II. The image is smaller than the object. III. The image is inverted. IV. The image can be projected on a screen A. IV only B. III & IV C. I & IV D. I, II & IV E. II, III & IV
Which of the following statements are true about protein domains? I. Polypeptide chains longer than 200 amino acids in length have multiple domains. II. Domains are tertiary structural components of proteins. III. Different domains are encoded by different exons of a gene. IV. Each domain in a protein has a specific function. A. I, II, III, and IV B. I, II, and III C. II, III, and IV D. II and IV E. I and IV
Here are four statements about business fluctuations, each of which may be true or false. I They are irregular. II They are unpredictable. III Recessions are characterized by falling output and employment. IV Generally speaking, recoveries last longer than recessions. Choose the correct option from the list below. A I, II, and III are true, IV is false. B I, Ⅱ, and IV are true, III is false. C III and IV are true, I and II are false. D...
Which of the following statements concerning existing projects is true?An existing project should be: I. Continued when its continuing value is greater than both its liquidation and divestiture value. II. Liquidated when its liquidation value is greater than its divestiture value. III. Divested when its divestiture value is greater than both its continuing value and its liquidation value. Select one: a. I only b. II only c. I and II only d. I and III only e. II and III only Which of...
Which of the following is true? [i] Kurtosis is a measure of the variability [ii] Kurtosis is a measure of the peakedness of a distribution [iii] Standard deviation is a measure of location [iv] Skewness is a measure of the degree of asymmetry of a frequency distribution [v] A symmetric distribution has zero skewness [vi] Variance is the difference between the largest and smallest values of a distribution. i, ii, iii, vi ii, iii, v ii, iv, v iii, iv,...
1)Which of the following is/are true? I. Force is a scalar quantity. II. Force is a vector quantity. III. A force is a push or a pull between objects that occurs only when the objects are in physical contact. IV. Non-contact forces are also called action-at-a-distance forces. A) I and III only B)II and IV only C)II only D)I only E)II and III only 2)Which of the following is/are true? I. Mass is a vector quantity. II. Mass is a...
Which of the following statements is/are INCORRECT? I. Beta measures a security's market risk, also known as systematic risk. II. SML is a graphical depiction of WACC model. III. If investors become more risk averse, the slope of SML will increase accordingly. IV. Other things being equal, a security's required rate of return doubles when its beta value doubles. V. Diversification will normally reduce the riskiness of a portfolio of securities. VI. Federal Reserve cuts an interest rate is considered...
31. Which of the statement(s) regarding hydroboration is(are) true? I. The reaction with terminal olefins is regioselective. II. It proceeds through a carbocation intermediate. II. It yields the Markovnikov product. IV. It proceeds through a cyclic transition state. V. The hydrogen on boron adds to the carbon with the most hydrogens already attached to it. VI. The first step is a Lewis acid-base reaction. VII. The boron predominantly adds to the least substituted carbon. 3 F. I, II, IV, and...