05/08/23

Chemistry related

Which is the largest bond angle?(A) angle O-S-O in SO4 2-(B) angle CI-C-CI in HCCI3(C) angle F-Be-F in BeF2(D) angle H-O-H in H2OCould you explain which answer you got and explain why?
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04/24/23

Chemistry stuck on problem

6) A container consists of 20% oxygen, 20% nitrogen, 60% hydrogen. If the total pressure is 75.0 atm, what is the partial pressure of hydrogen in the container ?
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04/17/23

Stuck on chemistry problem due tonight

What is the pH and pOH of a solution that was made by adding 245 mL of water to 500 mL of 4 * 10 ^ - 4 M HF solution?PH?round to 1 decimal placepOH 1 decimal place
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04/15/23

Rational Equations
What is the next step for solving p?Equation:12.167=3,590/p
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04/15/23

Find the half-life (in hours) of a radioactive substance that is reduced by 15 15 percent in 75 75 hours.

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04/13/23

Need Help, thank you
Which of the following is true about the graph of x squared plus x over y minus y squared equals 1 at the point (−2, 1)?a. y ′ does not exist at (−2, 1), and the slope of the tangent line at that... more
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04/12/23

Titration question
A 20.0 mL sample of 0.150 M KOH is titrated with 0.125 M HClO4 solution. Calculate the pH after the following volumes of acid have been added: (a) 20.0 mL, (b) 23.0 mL, (c) 24.0 mL, (d) 25.0 mL,... more
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04/12/23

The sum of two numbers is 42. The larger number is 22 more than the smaller number. What are the numbers?
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04/11/23

The gas is in a sealed can is at a pressure of 3.00 atm at 25 degrees Celsius. What would the gas pressure in the can be at 52.0 degrees Celsius.
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04/11/23

Stuck on chemistry problem due today
You are trying to determine the concentration of a stock solution of hydrochloric acid. You have 450.80 mL of 0.86 M dilute solution that was prepared with 25.50 of stock solution
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04/11/23

pre calc question
The formula v=√2.6r models the maximum safe speed, v, in miles per hour, at which a car can travel on a curved road with radius of curvature r, in feet. A highway crew measures the radius of... more
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04/11/23

Complete and balance the following redox reaction in basic solution. Be sure to include the proper phases for all species within the reaction. IO₃⁻(aq) + S²⁻(aq) → IO⁻(aq) + SO₂(g)
Complete and balance the following redox reaction in basic solution. Be sure to include the proper phases for all species within the reaction. IO₃⁻(aq) + S²⁻(aq) → IO⁻(aq) + SO₂(g)
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04/10/23

5 example of complexes that can exhibit optical isomerism
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04/09/23

My Tutor Did Not Show Up
Hey, I had a tutoring session at 9:00 AM but the tutor never joined the call. Will I be billed for this session? How can I report that this happened?
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04/11/19

p value and excel formula
A publisher reports that 31 % of their readers own a particular make of car. A marketing executive wants to test the claim that the percentage is actually more than the reported percentage. A... more
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11/15/17

What kind of graph is illustrated above?
its algebra 1
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12/13/14

Which of the following functions have a domain of (-8, 8) and a range of (-2, 8)?
3. Which of the following statements are true? Check all that apply. A. F(x)=1/2 (3)√(x-2) has the same domain and range as f(x)= 3√x. (the three goes on the hook of the square root symbol on both... more
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