1,308 Answered Questions for the topic physical science
Physical Science
01/14/18
Physical science
what happens when you drink Alka-Seltzer (base) for your upset stomach?
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Physical Science
01/09/18
What kinds of substances may form mixtures? What two properties Do all mixtures have?
It is about mixtures and solutions
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What will happen if we change rigid bar to elastic bar in pendulum movement
in pendulum movement, we usually see the ball tied to rigid bar what if we change the rigid bar into something solid with a little bit of flexible ability, what will happen?
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Physical Science
12/12/17
in the formula for two molecules of zinc nitrate, 2 Zn(NO3)2
Its a counting elements and atoms assessment. Question is
In the formula for two molecules of zinc nitrate, 2 Zn(NO3)2, answer the following
Number of zinc atom
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Physical Science
12/07/17
The term alloy is used to describe a _____.
a) metallic mixture
b) soft metal
c) pure metal
d) metallic compound
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Physical Science
12/02/17
Acids are helpful because they are not corrosive and can be used to protect metals from corrosion
Elements, Compound, Mixtures
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Physical Science
11/27/17
In 1620 the Mayflower took 64 days to cross the Atlantic Ocean. It’s speed was 3.6 km/hr. How far did the Mayflower travel to cross the Atlantic Ocean?
a hint is to convert time units
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Physical Science
11/27/17
true or false atomic mass increases as you move left to across periods and down groups on periodic table
5.1 concept review - organizing the elements, elements in the periodic table
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11/16/17
If an apple weighs 1N. When held at rest above your head what is the net force on the apple
I need help on this question in less than 20 minuites
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Physical Science
11/10/17
What transfers from chemical to electric to sound energy?
I need help with my science homework
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Physical Science
11/09/17
A vector starts at the point (0,0) and ends at (4,-3). What is the displacement
i just need the answer im a little stuck
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Physical Science
11/03/17
What are two technologies that are valued in industrialized nations
I don't get this book it's hard
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Physical Science
11/01/17
If you were converting 42 grams into kilograms which fraction would you use as a converting factor
Dimensional analysis
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Physical Science
10/27/17
What is the speed of a bobsled whose distance-time graph indicates that it traveled 117m in 27s
I need answer and units
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Physical Science
10/26/17
what is the correct unit for work
I need assitance with this pls help
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Physical Science
10/25/17
a spaceship is traveling at velocity of 5.002x10 to third power miles per second it swiches on its rockets the rockets accelerate
i need help with this physics problem its for introductory physics
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What volume of iron (density 7.87 g/cm3) would be required to balance a 1.00 cm3 sample of lead (density 11.4 g/cm3) on a two-pan laboratory balance?
What volume of iron (density 7.87 g/cm3) would be required to balance a 1.00 cm3 sample of lead (density 11.4 g/cm3) on a two-pan laboratory balance?
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10/23/17
If copper has a density of 8.96 g/cm3, what is the volume of 6,000 g of copper?
If copper has a density of 8.96 g/cm3, what is the volume of 6,000 g of copper?
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10/23/17
What volume of copper (density 8.96 g/cm3) would be needed to balance a 2.52 cm3 sample of lead (density 11.4 g/cm3) on a two-pan laboratory balance?
What volume of copper (density 8.96 g/cm3) would be needed to balance a 2.52 cm3 sample of lead (density 11.4 g/cm3) on a two-pan laboratory balance?
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10/23/17
What is the volume of a rock with density 3.68 and mass of 430 g?
What is the volume of a rock with a density of 3.68 g/cm3 and a mass of 430 g?
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10/23/17
A cubic box is completely filled with 3,375.0 kg of water. What is the length of one side of the box, in meters?
What would be the length of one side of the box, in meters?
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Physical Science
10/22/17
a train travelling through the middle of a large city is travelling at a speed of 28 mi/hr. how long does it take the train to travel a distance of 9 miles?
a train traveling through the middle of a large city is traveling at a speed of 28 mi/hr. how long does it take the train to travel a distance of 9 miles?
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Physical Science Speed Distance Time
10/22/17
a bicyclist travels for 1.5 hours at an average speed of 27 km/hr how far does the Bicycle travel during the time
a bicyclist travels for 1.5 hours at an average speed of 27 km/hr how far does the Bicycle travel during the
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Physical Science Word Problem
10/17/17
Physical Science
Two students push on a box in the same direction and one pushes in the opposite direction. What is the net force on the box if each student pushes with a force of 50 N
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Can you help me with this Grahm's Law AP Chemistry Problem?
The rate of effusion of a particular gas is 24.0 L/min. Under the same conditions, the rate of effusion of CH4 is 47.8 L/min. What is the molar mass of the unknown gas?
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