bmstanley19 bmstanley19

01-06-2015
Chemistry

Answered

1) is water condensing a into liquid water a physical change or a chemical change?

2)what is the difference between dependent and independent variables when conducting an experiment?

Answer :

jozierude jozierude

01-06-2015

1.) Water melting from a solid is cosidered a physical change. Because it dosnt change any chemical compounds.

2.)Variables used in an experiment or modelling can be divided into three types: "dependent variable", "independent variable", or other. The "dependent variable" represents the output or effect, or is tested to see if it is the effect. The "independent variables" represent the inputs or causes, or are tested to see if they are the cause. Other variables may also be observed for various reasons.

Answer Link

Other Questions

find the intervals on which f(x) is increasing and decreasing, as well as the local extrema. f(x) = (x+4)e^xf'(x) = (e^x)(x+5)

Which is NOT one of the forms Pico argues that a person can take on, depending upon his/her choices a. Plantb. Animalc. Dirtd. Divinity

The quantity traded times the tax equals:a) the income spent by the buyers.b) the tax revenue from a tax.c) the sum of buying and selling.d) the income earned b

A bottle with 236 milliliters of liquid allergy medication contains diphenhydramine hcl 12.5/ 5ml how many milligrams of diphenhydramine hcl are in a bottle

Simplify the expression: [tex]\sqrt{80} - 2\sqrt{45}[/tex]Provide your answer by dragging the numbers below to the correct position on the right.

What does Windows Resource Protection found corrupt files and successfully repaired them mean?

According to the theorist(s) who propesoed the cultural approach to organizations, the term culture refers to webs of ____ or systems of shared meaning that are

Which expression is equal to [tex]$2 \sin \left(\frac{\pi}{10}\right) \cos \left(\frac{\pi}{10}\right)$[/tex]?A. [tex][tex]$-\sin \left(\frac{\pi}{20}\right)$[/

An equilateral triangle is inscribed in a circle. Use your knowledge of equilateral triangles to strengthen your understanding of inscribed angles and their arc

Health disparities DO NOT exist in countries with universal health insurance.a. Trueb. False

3. Which type of neuron carries messages within the central nervous system?

why is it important to learn refusal skills.

why is wind considered to be a clean and renewable energy source

when sunlight excites electrons in chlorophyll, how do the electrons change?

? What happens to pyruvate molecules formed in glycolysis in the absence of oxygen?

Which important process takes place in the mitochondria of a cell?

Why is it important to record your observations promptly and completely?

whichof the following was true of secretary of state William henry seward a. he negotiated the purchase of Alaska from Canada b. he opposed American imperial ex

this is a problem solving...the ratio of dogs at the city animal shelter today Is 5:6 .there are 35 cats at the shelter.How many dogs are at the shelter today?

____ is a chemical compound that forms tangled fibers in the cell walls of plants.