03/25/25

In a science experiment, Marie's solution needs to contain 0.1% of her chemical. If the solution is 710ml, what is the volume of chemical inside?
In a science experiment, Marie's solution needs to contain 0.1% of her chemical.If the solution is 710ml, what is the volume of chemical inside?
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03/25/25

Find pH from given concentration and Kb
What is the pH of a 0.050 M triethylamine, (C2H5)3N, solution?Kb for triethylamine is 5.3 × 10–4.Please anything to help, these are starting to get more confusing instead of easy.
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03/25/25

Find pOH with Concentration and Kb
Determine the pOH of a 0.227 M C5H5N solution at 25°C.  The Kb of C5H5N is 1.7 × 10-9If you have hints how to remember these more easily, that would be appreciated. Using pH to find the... more
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03/25/25

Using concentration and Kb to find pH
What is the pH of a 0.050 M triethylamine, (C2H5)3N, solution?Kb for triethylamine is 5.3 × 10–4
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03/25/25

Determine the ammonia concentration of an aqueous solution that has a pH of 11.00.
Determine the ammonia concentration of an aqueous solution that has a pH of 11.00. The equation for the dissociation of NH3 (Kb = 1.8 × 10-5) is  NH3(aq) + H2O(l) ⇌ NH4+(aq) + OH-(aq)
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03/25/25

Concavity with implicit differentiation
If (2,6) is a point on the solution curve of the differential equation y+xy'=5, determine the concavity of the solution curve at the point
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03/25/25

How many grams are in 5.58 x 10^24 formula units of tin (IV) nitrate?
How many grams are in 5.58 x 10^24 formula units of tin (IV) nitrate?
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03/25/25

How many molecules are in 10.8 grams of C12H22O11?
How many molecules are in 10.8 grams of C12H22O11?
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03/25/25

how many molecules are in 25.5g of iron (iii) hydroxide?
How many molecules are in 25.5g of iron (iii) hydroxide?
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03/24/25

I want to teach basketball

Basketball training
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03/24/25

how to find height of a triangular prism without volume and only side lengths?
I have to get the V,B,b,and h (Volume, areas of base, regular base, and height) I only have the sides a,b and c along with the length,
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03/24/25

If you buy 3 t-shirts and buy a pair of $5 shorts. What is the relationship between the cost of t-shirts and the total amount spent? Write an algebraic equation showing this
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03/24/25

How can psychobiology help me become a better student?
Psychobiology is the biology of behavior. Learning how the brain functions, and solves problems can increase your ability to read, comprehend, and retain information. Emotional intelligence... more
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03/24/25

you and your friends collect toys for toy drive you collected 20 more toys than Julian Betty collected for more toys as you if you all collected 280 toys how many toys did each person collect
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03/24/25

Want to become a confident, impactful, secure and powerful public speaker?

I was the keynote speaker at Nelson Mandela’s 94th birthday celebration at theSpielberg/Capshaw auditorium in Los Angeles, Nelson Mandela’s LA vigil; The International Day of Peace Celebration of... more
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03/24/25

Are you taking the SAT or ACT and need someone to teach you strategies for improving your reading and writing scores?

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03/24/25

What are the best ways to become fluent in Spanish?
Engage with Native Speakers – Join Spanish clubs, attend Multicultural events, or have small conversations with native speakers in a restaurant setting. Many people will be happy to... more
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03/24/25

Applying the Integral Test
Use the Integral Test to determine if the series converge or diverge. Be sure to check that the conditions of the Integral Test are satisfied.∑(infinity) (n=1) (n/n^2 +4)I graphed this as f(x) and... more
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03/24/25

Does anyone know how to connect an API to R Studio
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03/23/25

How do I apply specific astronomy concepts I have learned to calculations?
Hi, I have a few questions about concepts I've learned and using them with equations.Firstly, I know there are differences in calculations when it comes to north and southern hemispheres. When... more
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03/23/25

Concentration of all solute species
Calculate the concentration of all solute species in each of the following solutions of saltsin contact with a solution containing a common ion. Show that changes in the initial concentrations of... more
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03/23/25

Finding Ksp Solubility Product
The molar solubility of Ag2SO4 in pure water is 1.4 × 10–2 M. Calculate Ksp.
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03/23/25

pH of Aspirin given pKa
Aspirin pKa of 3.5 Molar Mass = 180.15 g 32oz = 1.0567LCalculate the pH of a solution in which one normal adult dose of aspirin 6.50X 102 mg is dissolved in 8.0 oz of water. I have attempted this... more
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03/23/25

A 100.0 mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3. Find PH!!!
A 100.0 mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3Kb NH3 = 1.8 x 10-5a) pH of the solution before addition of any HNO-b) pH of solution after addition of the 50.0 mL of HNO3
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03/23/25

Titration of HNO2 with NaOH...need pH
Consider a titration of 10.0 mL of 0.30 M HNO2 with 0.10 M NaOH.Ka HNO2 = 7.1 x 10-4a. pH of solution before titration begins?b. pH when 12.00 mL NaOH has been added?c. pH when 15.00 mL NaOH is added
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