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Questions (162,725)
How would you obtain a sample of a pure iodine from a mixture of iodine and lead (ii) sulphate.
5 answers
asked by
Lexus cotricks
3,115 views
Planet Estimated Mass of Planet (1023 kg)
W 6.4 X 3.3 Y 59.7 Z 48.7 On which planet would an object weigh the most? (1 point) on
24 answers
asked by
senpi
17,778 views
The heat capacity of a material shows the amount of heat that can be taken in before the material increases in temperature.
6 answers
asked by
SPAMTON G SPAMTON
1,210 views
What conclusion did the researchers from University of California San Diego reach regarding the best type of material to use for
16 answers
asked by
Madi
6,180 views
Which term best describes Styrofoam?
B. synthetic material Which statement explains how heat causes materials to expand? A.
17 answers
asked by
Correct answers for Connexus students!
3,097 views
A particular circuit is made up of a battery, a switch, a buzzer, and wires connecting the components. All of the components are
5 answers
asked by
:)
1,958 views
Over the past century, the concentration of greenhouse gases in the atmosphere has_____ This has led to _____heat being held in
10 answers
asked by
Neko
4,259 views
How much thermal energy is released when 500g of steam at 100° C condenses into water and cools to 50°C
Givens: m=0.5 kg t = 50
6 answers
asked by
AlphaStrike
7,471 views
Explain the temperature change upon mixing ethanol and water.
4 answers
asked by
Elcy
338 views
Give the scientific term for a wire that gets longer due to heat
4 answers
asked by
Kaay gee
222 views
Biodiversity is measured by (1 point)
counting the number and variation of different species of plants, animals, and other
44 answers
asked by
Some people are just wrong
2,214 views
Biodiversity unit test... Please can anyone help me with the answers?
40 answers
asked by
zae
6,412 views
A current of 4.5A passed through a gold salt for 1h45min,(a) calculate the mass of gold deposited,(b) calculate the number of
7 answers
asked by
Adewole paul
2,374 views
1.Which stages do all stars have in common in their life cycles?
Answer:Protostar&nebula 2.Which of these can a star become at
9 answers
asked by
Star evolution quick check answers
9,127 views
How do the frequencies and the speeds of yellow light and blue light compare?(1 point)
Which of the following is the best answer?
25 answers
asked by
Iwannaknow
1,518 views
Which describes a difference between solar wind and geomagnetic storm? Select the three correct answers
2 answers
asked anonymously
176 views
Explain the concept of trophic levels in an ecosystem and how it influences biomass distribution among the different species.
2 answers
asked by
BB
8,866 views
does anyone have the Natural Selection Unit Test answers? i'm on my knees please
7 answers
asked by
leo:]
3,323 views
the heart is composed of how many loops
49 answers
asked by
Elizabeth
35,557 views
What happens when a cold spoon is placed in hot soup?(1 point)
Responses The soup’s molecules have more potential energy, so
4 answers
asked by
meli
749 views
Which statement correctly describes the relationship between thermal energy and particle movement?
As thermal energy increases,
79 answers
asked by
Anonymous
18,150 views
Which statement is always true when nuclear fusion occurs
12 answers
asked by
Anonymous
11,198 views
How can a stationary metal sphere have kinetic energy, the energy of motion?
1 answer
asked anonymously
206 views
An electromagnet is the most powerful type of magnet there is. It is a magnet with a current running through it that can be
5 answers
asked by
Emperor
1,734 views
Science fiction movies sometimes take place in space and contain scenes where things explode very loudly and brightly. Why is
10 answers
asked by
Please Help soon
2,999 views
Use the equation to complete the activity. 21986 Rn→21584 Po+ Alpha The nuclear equation shows the transmutation of a form of
3 answers
asked by
hatemaths
125 views
CAN SOMEONE CHECK MY ANSWERS PLEASE!?
Question 1 A) Use the graph to answer the question. The vertical axis is labeled millions
86 answers
asked by
AlienzManiax
5,141 views
Why do restaurants wash their dishes with hot water?(1 point)
Responses Hot water has more potential energy than cold water so it
11 answers
asked by
Amelia
1,736 views
How does the average kinetic energy of the molecules of water compares to the molecules of petrol
3 answers
asked by
Montshisi
159 views
Which is a correct statement about the excretory system?
A: Key organs of the system include bladder, intestines, and kidneys B:
49 answers
asked by
LadyPhantomhive
8,954 views
5. A student has the following data: V1 = 822 mL, T1 = 75°C and T2 = -25°C. He calculates V2 and gets -274 mL is this value
4 answers
asked by
Evie
4,244 views
Write an equation for the reaction between the iron filings and dilute tetra oxosulphate (vi) acid
7 answers
asked by
Al Ameen
2,913 views
Explain how spectrometer works by drawing a labelled flow diagram showing the main components of spectrometer and briefly state
1 answer
asked anonymously
54 views
Is exposure to natural radiation on earth dangerous?
A. Yes, because it is always present B. No, because it is natural C. No,
7 answers
asked by
Ooooh oooooh aaaaah aaaaaah 🦧🐒
668 views
The box-and-whisker plot shows the average temperatures in Orlando, Florida in January.
Numbers for the box&whisker:
4 answers
asked by
Fiddle sticks!
5,600 views
How does solar weather affect Earth's magnetosphere? Select the two correct answers.(1 point)
Responses It generates auroras. It
4 answers
asked by
21
241 views
a main function of the skeletal system is to
protect internal organs allow your body to move store and produce materials all of
33 answers
asked by
Anonymous
27,265 views
What happens after coral is bleached?(1 point)
The coral dies immediately. The coral is susceptible to starvation. The coral
9 answers
asked by
UNKNOWN -_-
1,560 views
Theories About the Universe Quick Check answers
4 answers
asked by
Someone
1,501 views
What happens when thermal energy is applied to an ice cube
It's water molecules lose kinetic energy so the ice cube melts It's
3 answers
asked by
Hi
360 views
The main process of excretion takes place in the
(1 point) • stomach. • kidneys. • small intestine. • liver.
9 answers
asked anonymously
201 views
400cm^3 of a gas x diffuse through a porous pot in 2 minutes. calculate the rate at which x diffuse
14 answers
asked by
Tobi
7,182 views
yall know the anwsers to the LESSON 13
Non-Contact Forces Unit Test?? heres the first question Which statement explains how the
67 answers
asked by
HELP WWITH A TEST
4,677 views
What procedure could be used to demonstrate that matter is conserved during a chemical change or reaction?
7 answers
asked by
james
7,328 views
Which statement about the number of protons and neutrons in a nuclear change is correct?(1 point)
The total number of neutrons
6 answers
asked by
asdfghjkl
4,063 views
Which scenario shows conduction? (1 point)
O Air above a pot of simmering soup rises, forcing cooler air downward O Hot soup
4 answers
asked by
I.D.C.I.I.C.I.S.S.I.N.T.D.W.H.T.B.D.
574 views
How do prevailing winds form causing ocean currents?(1 point)
Heat from the sun causes circulation patterns of warm and cool air.
62 answers
asked by
honey
14,108 views
The Design World Unit Test
1,Which statement is true about the two metals used in batteries? The two metals have opposite
4 answers
asked by
Irisslove
1,467 views
Which of these types of EMR is the most harmful?
A) visible light B) infrared light C) microwaves D) radio waves Visible light
5 answers
asked by
PLS HELP IM STOOPID
1,042 views
Describe the specific attributes of a prism
1 answer
asked anonymously
386 views
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