11/01/22
Chemistry Calorimetry Question
You order a 16 oz glass of tea (where the mass of Tea is 474 grams) from a local restaurant. The tea is freshly brewed and has an initial temperature of 28.21 °C. You add ice to cool it. If the...
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10/24/22
i need help with this physics
As a gasoline engine is running, an amount of gasoline containing 12,000 J of chemical potential energy is burned in 1 s. During that second, the engine does 4,000 J of work.(a)What is the engine's...
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10/11/22
Please help me find the probability of this questions
It has been estimated that only about 30% of California residents have adequate earthquake supplies. Suppose you randomly survey 11 California residents. We are interested in the number who have...
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02/26/22
For each of the reactions at constant pressure, determine whether the system does work on the surroundings or the surroundings does work on the system.
Please help me with this. Thank you :)))))For each of the reactions at constant pressure, determine whether the system does work on the surroundings or the surroundings does work on the...
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02/04/22
An ebony log with volume 11.0 ft3 is submerged in water. What is the buoyant force on it (in lb)?
06/03/21
Hello I’m need to wyzant and my school is almost over. I need help completing my homework as soon as possible before the deadline please please help me.
3 Cu + 8HNO3 g 3 Cu(NO3)2 + 2 NO + 4 H2OIn the above equation how many moles of NO can be made when 58 moles of HNO3 are consumed? 2 NH3 + 3 CuO g 3 Cu + N2 + 3 H2OIn the above equation how many...
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05/14/21
please help :/ !
Triangle XYZ was dilated by a scale factor of 2 to create triangle ACB and cos ∠X = 2 and 5 tenths over 5 and 59 hundredths. Triangles XYZ and ACB; angles Y and C both measure 90 degrees, angles A...
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03/21/21
What facts address the concern that Wolbachia-infected mosquitoes released into the environment will have a negative impact?
Required informationSkip to question Many arthropods are infected with a microbe called Wolbachia, a genus of Gram-negative parasitic bacteria found in more than 40% of all insect species. These...
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03/19/21
acid and buffers
Calculate the Ph of a solution made adding 10 ml of 1.0M HCI to 1 liter of water
03/18/21
Estimate the change in profit.
The management off Miller's restaurant forecast that they will sell 200,000 cases of their chicken wing hot sauce next year. Their annual profit is described by:P(x)= -0.000032x^2+6x-1000Where x is...
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03/03/21
Chapters 20-21 Summative Assessment Part 1
A police officer uses a breathalyzer to test the blood alcohol content of drivers suspected of a DUI. The driver will be arrested if the officer believes that the driver is drunk, according to the...
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03/01/21
Genetic code exercise
an mRNA segment encodes the peptide Met- Thr - Phe - Ile - Trp. Proflavin causes the removal of a single base from the gene encoding this mRNA. The new peptide translated from the modified mRNA is...
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02/22/21
Biochemistry question
A) Describe how you would set up an experiment to determine if a newly synthesized peroxide is a mutagen. How would you interpret the results?B) How might you determine if addition of an...
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02/06/21
Homework question
How are electrostatic pressure and diffusion force related, in regard to the resting membrane potential?
06/28/19
Evolution of parasite into ideal parasite?
An ideal parasite is a parasite which thrives within a host without harming it (according to my NCERT textbook). Then, quite obviously, why hasn't that happened yet? I mean, natural selection can...
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04/01/19
Do beneficial viruses exist? If so, what examples are there?
Typically, people call viruses some kind of organic compounds that cannot reproduce autonomously and which **lower the fitness** of their hosts. Even the word "virus" means "venom" in Latin.
But...
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03/21/19
Open ended response assessment from cell division and complex organisms
why Is cellular differentiation important to complex organisms
How many gumballs fit in the gumball machine?
A gumball machine is shown in the figure. The diameter of the sphere with the gumballs on the top of the machine is 12 inches. The cylinder with the gumballs under the sphere is 6 inches in...
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Which of these is a biotic factor of an ecosystem. (I put more in the Description box)
A:The temperature of water in the stream. B:The amount of water vapor present in a rain forest. C:the bacteria that live in the intestine of a rabbit. D:The rocks that provide cover for a...
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02/13/19
a systematic equation?
A dietitian works in a hospital and prepares meals under the guidance of a physician. For a particular patient the physician prescribes a meal to have 550 calories, 40 grams of protein and 320...
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02/07/19
Norm's electric bill for December 2013 was $149.32.
Norm's electric bill for December 2013 was $149.32. In 2014 the electric bill was $194.31. Next year Norm expects the bill to be the 2013 amount plus $25.00 more than the difference between 2013...
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10/10/18
word problem equations and inequalities
Volume of a TroughWater is running into a trapezoidal trough. The volume V, in cubic feet of water in the trough is given by V=32d^2+32d, where d is the depth in feet of the water in the trough....
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10/09/18
Doctors use radioactive iodine as a tracer in diagnosing certain gland disorders. The half-life of iodine is 8 days and 6 gram of iodine is administered to a patient.
(a) Find the decay rate of the iodine. (b) How much of the iodine remains in the patient’s body after 20 days? (c) How long will it take before there are 2 gram of iodine left in the patient’s body?
09/10/18
Which species of plant will remove the most salt from the soil (smooth cordgrass, dwarf glassewort or barley cordgrass)
Which species of plant will remove the most salt from the soil (smooth cordgrass, dwarf glassewort or barley cordgrass)?
Develop a hypothesis.
determine the independent variable of your study....
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