4,374 Answered Questions for the topic Science
Algebra 1 Scientific Notation Problem
Find the value of a that makes the equation true.(3x^2a y^4)^3=27x^18 y^12
Multiply in Scientific Notation
What is the product of 69 and 5.6 * 10^5 expressed in scientific notation?
Science Algebra 1
02/09/21
Scientific Notation Algebra 1 Word Problem
At a certain zoo, the average mass of one cow is measured to be 410 kilograms. Use scientific notation to express the mass of 110 cows.
Science Chemistry
02/09/21
A 5.76 liter sample of gas at 22.00C and 748 atm pressure was heated to a final volume of 17.28 liters, with the pressure remaining constant. What was the final Celsius temperature?
02/08/21
Rheumatoid Arthritis Clinical Scenario Question
A 30-year-old woman recently diagnosed with rheumatoid arthritis (RA) complains of general fatigue and weight loss along with symmetrical joint swelling, stiffness, and pain. The stiffness is more...
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Science Chemistry
02/08/21
Calculate the boiling point (in oC) of an aqueous solution which is 0.126 m in potassium carbonate.
Kb = 0.52 oC/m
Which of the following solutions would have the lowest freezing point?
a. 0.10 M lithium chlorideb. 0.15 M barium nitratec. 0.20 M potassium iodided. 0.25 M sodium nitratee. 0.20 M calcium bromide
02/08/21
Clinical Scenario Question about Osteoarthritis
A 65-year-old obese woman with a diagnosis of osteoarthritis (OA) has been having increased pain in her right knee that is made worse with movement and weight-bearing and is relieved by rest....
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02/08/21
I'm so confused how to do this physics question
A 2.0 g particle moving at a speed of 8.9 m/s makes a perfectly elastic head-on collision with a resting 1.0 g object.a) Find the speed of each particle after the collision.b) Find the speed of...
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02/08/21
physics question
At an amusement park, a 96 kg bumper car moving with a speed of 1.24 m/s bounces elastically off a 135 kg bumper car that is initial at rest. Find the final velocities of the two cars.
02/07/21
Musculoskeletal Disorder Questions
A 39-year-old man is in intensive care after a motorcycle accident in which he skidded across the pavement on his right side. He has fractures of his right femur, pelvis, and several ribs on the...
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Science Chemistry
02/06/21
At a certain temperature, the equilibrium constant, KC, for this reaction is 53.3. H2(g)+I2(g)↽−−⇀2HI(g)𝐾c=53.3 H 2 ( g ) + I 2 ( g ) ↽ − − ⇀ 2 HI ( g ) K c = 53.3
At a certain temperature, the equilibrium constant, 𝐾c, for this reaction is 53.3.H2(g)+I2(g)↽−−⇀2HI(g)𝐾c=53.3At this temperature, 0.600 mol H2 and 0.600 mol I2 were placed in a 1.00 L container to...
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Science Chemistry
02/06/21
CHEMISTRY HELP Consider the reaction. A(aq)↽−−⇀2B(aq) KC=7.81×10^−6 at 500 K
Consider the reaction.A(aq)↽−−⇀2B(aq)𝐾c=7.81×10−6 at 500 KIf a 5.40 M sample of A is heated to 500 K, what is the concentration of B at equilibrium?
02/06/21
Science question
What are some possible ways that a researcher can go about measuring something they are interested in?
Science
02/05/21
Why is the sky blue?
Why IS the sky blue? Does it reflect from the ocean and become lighter?
02/05/21
please someone help please i have one question
S + 6 HNO3 --> H2SO4 + 6 NO2 + 2 H2OIn the above equation how many moles of water can be made when 47 moles of HNO3 are consumed?Please give and only give explanation and solution.
02/05/21
Momentum/Impulse
Two objects, A and B, initially at rest, are “exploded” apart by the release of a coiled spring that was compressed between them.As they move apart, the velocity of object A is 5 m/s and the...
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Science
02/05/21
Nature of science
A block of wood measures 30 cm long, 6 cm wide, 3 cm high, the blocks mass is 270g. What is the density of the block?
Psychology questions
Why is it important to know how to design a psychological experiment? What are some possible ways that a researcher can go about measuring something they are interested in?
02/05/21
Intramolecular and Intermolecular forces
Do intramolecular forces (ionic/covalent) or intermolecular forces (dipole/London/Hydrogen) account for the properties associated with different types of bonds?
02/05/21
can someone please actually help me please
Question 1: 3 Cu + 8HNO3 g 3 Cu(NO3)2 + 2 NO + 4 H2OIn the above equation how many moles of NO can be made when 60 moles of HNO3 are consumed?Question 2:...
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02/05/21
please can i actually please receive help because i have been stuck for many hours
Question 1: 3 Cu + 8HNO3 --> 3 Cu(NO3)2 + 2 NO + 4 H2OIn the above equation how many moles of water can be made when 36 moles of HNO3 are consumed?Question 2: Sodium chlorate...
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02/03/21
Question about Antibodies and Hypersensitivity
Use the following terms to describe the types of antibodies (environmental, allogenic, autoimmune) present with each of the following hypersensitivity reactions:
Reaction to pet dander
Tissue graft...
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02/02/21
Pathophysiology Immune Disorders Question
A 32-year old man presents in the allergy clinic with complaints of allergic rhinitis or hay fever. His major complaints are those of nasal pruritis (itching) nasal congestion with profuse watery...
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