Questions and answers by

JACK HAMMMMMMER

Questions (31)

What happens to the volume of a gas when the temperature is decreased?a The volume decreases. b The pressure increases. c The
1. 1 answer
2. 113 views
Technetium-99m is a radioactive isotope commonly used in medicine as a radioactive tracer. A radioactive tracer is an isotope
1. 1 answer
2. 126 views
What kind of nuclear reaction does the picture show?a Nuclear Fusion b Nuclear Fission
1. 1 answer
2. 144 views
Chemical equations must be balanced becausethe mass of the reactants is always greater than the mass of the products. the mass
1. 1 answer
2. 171 views
Which pair of coordinates lie on the line with a slope of 2/3?(1, 5) and (-2, 3) (1, 5) and (8, 9) (1, 5) and (-3, -2) (1, 5)
1. 1 answer
2. 106 views
Choose the word or phrase that best matches the word in italics.Jackie was trying to be facetious, but instead she accidentally
1. 1 answer
2. 117 views
18 of 1818 of 18 ItemsQuestion Henry’s internal conflict about fleeing from the battle serves which purpose in The Red Badge
1. 1 answer
2. 157 views
Read the following description from The Red Badge of Courage.“‘If so be a time comes when yeh have to be kilt or do a mean
1. 1 answer
2. 149 views
he description of the five dead soldiers lying forgotten in a field of sunlight best supports which of the following themes in
1. 1 answer
2. 210 views
Dear Editor,The “no pass, no play” rule needs to be changed. It encourages students to drop out of school, is unfair to
1. 1 answer
2. 152 views
Read the following description from The Red Badge of Courage.“He could not conciliate the forest. As he made his way, it was
1. 5 answers
2. 279 views
In The Red Badge of Courage, Henry’s character is most developed through(1 point) Responses his actions. his actions. his
1. 2 answers
2. 196 views
Some animal-behavior studies involve observing wild animals in their natural habitat, and some involve capturing wild animals
1. 1 answer
2. 237 views
Text 1Microbes are tiny organisms in the soil, water, and air all around us. They thrive even in very harsh conditions. That’s
1. 1 answer
2. 109 views
Text 1Microbes are tiny organisms in the soil, water, and air all around us. They thrive even in very harsh conditions. That’s
1. 1 answer
2. 109 views
An arithmetic sequence has a common difference of zero. The thirty-eighth term of the sequence is 2.1. What is the eighty-fifth
1. 3 answers
2. 277 views
Determine which of the following scenarios could be modeled by an arithmetic sequence. (Could be more than one answer) (4
1. 1 answer
2. 275 views
Determine which of the following scenarios could be modeled by an arithmetic sequence. (Could be more than one answer) (4
1. 1 answer
2. 154 views
There were 20 questions in a quiz. For each question answered correctly, 6 points were awarded. For each question answered
1. 24 answers
2. 161 views
Arrange the following from least to greatest common difference. (least on the bottom and highest on top)(1 point)
1. 1 answer
2. 240 views
Which of the following patterns is an arithmetic sequence? You may choose more than 1 answer.(2
1. 3 answers
2. 305 views
Which of the following will increase the rate at which a solute dissolves? (Select all that apply.)a decreasing surface area b
1. 1 answer
2. 270 views
Sodium-24 has a half-life of approximately 15 hours. If only one-eighth of the sodium-24 remains, about how much time has
1. 1 answer
2. 131 views
Match the nuclear reaction to its description.Column A 1. Forms two lighter nucleus: Forms two lighter nucleus 2. Forms one
1. 1 answer
2. 113 views
Which process occurs when one nucleus splits to form two smaller nuclei?a fission b fusion c radioactive decay
1. 1 answer
2. 151 views
The half-life of a certain radioactive element is 800 years. How old is an object if only 12.5% of the radioactive atoms in it
1. 2 answers
2. 167 views
The half-life of a certain radioactive element is 800 years. How old is an object if only 12.5% of the radioactive atoms in it
1. 1 answer
2. 214 views
If 50% of a radioactive element remains after 4000 years, what is the half-life?a 1 half-life b 2 half-lives c 3 half-lives d 4
1. 3 answers
2. 287 views
Tossing candies (or whatever you used) was a great way to simulate half-life because it showed how almost half of the parent
1. 1 answer
2. 192 views
Is the rate constant over time or does it vary over time?Theoretically, yes it is constant, but sometimes it can vary from one
1. 1 answer
2. 116 views
If you started with 100 M&M's the half-life would change because half-life is not constant and changes based on the amount of
1. 3 answers
2. 267 views