4,347 Answered Questions for the topic Science

02/15/21

Pharmacology/Pathophysiology Question

A new mother is admitted to the intensive care unit and started on low-molecular-weight heparin and warfarin. She is told that she will be discharged in a day or two and will remain on the heparin... more
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02/13/21

Calculate the [H+] and pH of a 0.000173 M acetic acid solution. Keep in mind that the Ka of acetic acid is 1.76×10^−5.

Calculate the [H+] and pH of a 0.000173 M acetic acid solution. Keep in mind that the KA of acetic acid is 1.76×10^−5.This is a problem that will require you to use the quadratic. Start by setting... more
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02/12/21

the crater that killed the dinosaurs
Explain in detailWhat is Chicxulub crater?What are the Volcanic eruption, earthquake, tsunami or meteor impact had happened and their impact on Chicxulub crater?
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02/12/21

Earth and space science question

fill in the process that causes each transition. Your choices are evaporation, condensation, precipitation, melting, and freezing.Ocean -> Atmosphere _______________________Atmosphere ->... more
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02/11/21

Bone Healing: Procallus vs Bony Callus
Differentiate the procallus from the bony callus in the healing of a fracture.
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02/11/21

Algebra 1 Word Problem

A group of college students are going to a lake house for the weekend and plan on renting small cars and large cars to make the trip. Each small car can hold 5 people and each large car can hold 8... more
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Science

02/11/21

math and science
Ms. Heyneman is sitting on the floor. Ms. Macho pushes her to the right with a force of 40 N and there is 15 N of friction acting in the opposite direction. If Ms. Heyneman’s mass is 75 kg, what is... more
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02/11/21

Earth and Space science

Fill in the two processes that cause each of the following transitions. Ocean -> Cloud _______________________, _______________________Cloud -> Glacier _______________________,... more
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02/10/21

PHYSICS LEVER/IMA
Create a class 1 lever with the fulcrum at 50cm mark, have the weight at 100cm mark, and the effort force at 0 cm. 4a)What is the mechanical advantage of the lever4b)move the fulcrum to 60cm what... more
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02/10/21

Science question
Define: A phase change is a change from one state to another, such as from a liquid to a gas. Fill in the blanks with the words “liquid,” “gas,” or “solid” to define each... more
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02/10/21

Mass to Mass stoichiometry

Part one: The compound diborane (B2H6) was at one time considered for use as a rocket fuel. Its combustion reaction is B2H6(g) + 3 O2(ℓ) → 2 HBO2(g) + 2 H2O(ℓ) The fact that HBO2, a reactive... more
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02/10/21

Physics IMA AND LEVERS
knowing the maximum lever length is 1 meter and the weights range from 10 g to 1kg, if you have a class 1 lever with a mechanical advantage of 1a. what is the length between the fulcrum and effort... more
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02/09/21

Exponent Puzzle Algebra 1

Find the value of a that makes the equation true.(2x^2 y^3)^a = 8x^6 y^9
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02/09/21

Algebra 1 Scientific Notation Problem

Find the value of a that makes the equation true.(3x^2a y^4)^3=27x^18 y^12
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02/09/21

Multiply in Scientific Notation
What is the product of 69 and 5.6 * 10^5 expressed in scientific notation?
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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.
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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?
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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... 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
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Science Chemistry Chem

02/08/21

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
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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.... more
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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... more
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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.
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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... more
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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... more
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