10/17/20

predict the products & write the balanced equation including physical states, if no reaction give reasons why *classify the reaction type.?
26. Solutions of lithium sulfide and ammonium phosphate are mixed. 27. Aqueous barium nitrate and aqueous copper(II) sulfate are mixed. 28. Solutions of silver acetate and ammonium carbonate are... more
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10/17/20

Calculate the BMI and Estimated Body Fat % for the following scenarios using these formulas. Show all work.
BMI: Weight (kg)/ Height (m)2Conversions: Height in inches X 0.0254 = Height in MetersWeight in lbs/2.2= Weight in Kg Estimated Body Fat % using BMI:Adult Body Fat % = (1.20 x BMI) + (0.23 x Age) -... more
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10/04/20

Write the slope-intercept form of the equation of each line. The equation is y+4= -5/2(x-2)
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10/04/20

What is the concentration of K+ in mg/L (ppm) for a solution that is 0.00447 M of K2SO4? Do NOT use scientific notation in your answer.
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10/03/20

Why is there oxygen in the atmosphere?
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10/03/20

column chromatography
I recently did a column chromatography lab for organic chemistry and I wanted some help to see why I got weird results. My column had a alumina stationary phase and we were separating fluorene and... more
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10/03/20

Pharmacology Nervous System Question 3
Does the Parasympatholytic increase, decrease, or has no effect on:Blood flow to skeletal musclesBlood GlucoseBlood PressureBronchial Smooth MuscleDigestionHeart RateInsulinMucus... more
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10/03/20

Pharmacology Nervous System Question 2
Does the Sympatholytic increase, decrease, or has no effect on:Blood flow to skeletal musclesBlood GlucoseBlood PressureBronchial Smooth MuscleDigestionHeart RateInsulinMucus SecretionPupilsSalivation more
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10/02/20

Eight out of 10 dentists prefer Crest toothpaste. What is the ratio of dentists who do not prefer Crest to those who do?
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10/01/20

toogether they have a total of 147 pictures on their iphones. How many pictures does nicky have on her iphone and how many pictures does david have on his iphone?

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10/01/20

Calculate the volume

Suppose you are working with a NaOH stock solution but you need a solution with a lower concentration for your experiment. Calculate the volume (in mL) of the 1.326 M stock NaOH solution needed to... more
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09/27/20

Explain how sugar molecules combine with other elements to create amino acids. Why is this an essential process for living things?
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09/27/20

Clothing matters - Anthropology
Two functions or purposes of clothing/fashion that you think are particularly important in the world today. Explain why you think these functions or purposes are so important, and try to provide... more
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09/27/20

How many moles of NO₂ would be produced from 4.5 mol of O₂ in the reaction below assuming the reaction has a 57.0% yield?
2 NO (g) + O₂ (g) → 2 NO₂ (g)
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09/27/20

I need help understanding this phrase
Here is a conversation:Albert: “Why have you been giving me the cold shoulder all week?” Edison: “You noticed already? Wow, you’re a real Einstein tonight.” Albert: “Alright I’m done cozying up to... more
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09/26/20

Which of the following foods consumed by primates would be most likely to lead to territorial defense?
A. FruitB. InsectsC. GumD. LeavesE. Vegetation
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09/17/20

math word problem
one day at the village veterinary practice the doctors treated twice as many dogs as cats if they treated a total of 51 cats and dogs how many of each did the doctors see?
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09/17/20

I need help with this delta math question please

When building a house, the number of days required to build is inversely proportional to with the number of workers. One house was built in 36 days by 27 workers. How many days would it take to... more
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08/29/20

A sample of metal has a mass of 23.40 g, and a volume of 5.60 mL. What is the density of t
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07/25/20

If the amount of gas is decreased to 0.755 mol, holding the volume and temperature constant, the pressure will decrease because
A 1.51 mol sample of O2 gas is confined in a 36.6 liter container at 22.3 °C.If the amount of gas is decreased to 0.755 mol, holding the volume and temperature constant, the pressure... more
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07/24/20

How many moles of HCl are represented by 1.0 X 10^19 Hcl molecules?

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07/24/20

Exponential Function
Find the final amount of money in an account if $5,300is deposited at 5.5% interest compounded quarterly (every 3 months) and the money is left for 66 years. The final amount is... more
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07/24/20

Exponential Function
If 47000 dollars is invested at an interest rate of 8 percent per year, find the value of the investment at the end of 5 years for the following compounding methods, to the nearest... more
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07/23/20

Describe the structure and function of the brachial plexus.

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07/23/20

When aqueous solutions of sodium carbonate and cobalt(II) sulfate are combined, solid cobalt(II) carbonate and a solution of sodium sulfate are formed. The net ionic equation for this reaction is:
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