subject

Chemistry, 17.01.2020 02:31 Sanonymous

Witch statement best describes why a machine is useful

ansver

Answers: 1

Show answers

Another question on Chemistry

question

Chemistry, 21.06.2019 23:30

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.

Answers: 2

question

Chemistry, 22.06.2019 02:30

In pea plants, the allele for tallness (t) is dominant to the allele for shortness (t). in the cross between a tall pea plant and a short pea plant shown below, what is the probability that the resulting offspring will be tall? whats the percent

Answers: 1

question

Chemistry, 22.06.2019 13:30

How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123

Answers: 1

question

Chemistry, 22.06.2019 21:00

The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?

Answers: 1

You know the right answer?

Witch statement best describes why a machine is useful...

Questions

question

Mathematics, 04.04.2020 08:30

Which interval on the graph could be described as linear constant? (4 points)A coordinate plane is shown. A line is horizontal from x equa...

question

Social Studies, 04.04.2020 08:30

Document #1: A Citizen Objects to New Deal Relief Programs This letter was written to Harry Hopkins, the head of the Federal Emergency Pet...

question

Mathematics, 04.04.2020 08:30

A company manufactures and sells x television sets per month. The monthly cost and price-demand equations are C(x)equals72 comma 000 plus 70 x and p (...

question

Business, 04.04.2020 08:30

Disturbed Corp. needs to raise $56.5 million to fund a new project. The company will sell shares at a price of $23.60 in a general cash offer and the...

question

Biology, 04.04.2020 08:30

The water vascular system of echinoderms The water vascular system of echinoderms is analogous to the gastrovascular cavity of flatworms. functions in...

question

Mathematics, 04.04.2020 08:30

Christina is at a bowling alley. It costs $20.22 to bowl for an hour and $11.13 to play pool for an hour. How much more does it cost to bowl for an ho...

question

Arts, 04.04.2020 08:30

In art, what is tint? A. The combination of a color with white to make it lighter B. A color's brightness or dullness, as well as shadows and contrast...

question

Mathematics, 04.04.2020 08:30

The multiple coefficient of determination is ....

question

Mathematics, 04.04.2020 08:30

89% of what number is 14 A: 0.89 = n x 14; 0.1 B: 14 = 89 x n; 0.2 C: n = 0.89 x 14; 12.5 D: 14 = 0.89 x n; 15.7...

question

Mathematics, 04.04.2020 08:30

EXAMPLE 2 Find a formula for the general term of the sequence 2 5 , − 3 25 , 4 125 , − 5 625 , 6 3125 , assuming that the pattern of the first few ter...

question

Mathematics, 04.04.2020 08:30

What is the volume of this square pyramid? and can someone answer my last question

question

Business, 04.04.2020 08:30

Suppose you bought a bond with an annual coupon rate of 5.5 percent one year ago for $1,017. The bond sells for $1,041 today. a. Assuming a $1,000 fac...

question

Social Studies, 04.04.2020 08:30

Mark is a psychologist who generates theories as to the causes of certain behaviors, tests applicable hypotheses, and revises his theories as needed....

question

Physics, 04.04.2020 08:30

Masses are distributed in the xy-plane as follows: 10 kg at (2.0, 6.0) m, 4.0 kg at (2.0, 0.0) m, and 6.0 kg at (0.0, 3.0) m. Where would a 20-kg mass...

question

Business, 04.04.2020 08:30

2) Manufacturing overhead includes: A) all direct material, direct labor and administrative costs. B) all manufacturing costs except direct labor. C)...

question

Physics, 04.04.2020 08:30

On October 15, 2001, a planet was discovered orbiting around the star HD68988. Its orbital distance was measured to be 10.5 million kilometers from th...

question

Mathematics, 04.04.2020 08:30

One way to notate the complement of an event A is not A. For instance, suppose that P(even) represents the probability of rolling an even number on a...

question

Health, 04.04.2020 08:30

Health homework question What do we call a widespread occurrence of an infectious disease in a community at a particular time? A. A...

question

Social Studies, 04.04.2020 08:30

Colonists supported the Articles of Confederation because it A. gave more powers to the states. B. created two houses of Con...

question

Mathematics, 04.04.2020 08:30

What are the inequalities for a slope of 1/2 and a y intercept of -2...

More questions: Chemistry Another questions

Questions on the website: 13722367