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A chemist titrates 130.0mL of a 0.4248 M lidocaine (C14H21NONH) solution with 0.4429 M HBr solution at 25 degree C . Calculate the pH at equivalence. The pKb of lidocaine is 7.94 . Round your answer to
answered Oct 11, 2021
2 votes
216k views
Please help thanks! If a cone has a volume of 75.36 cubic feet and a radius of 6 feet, what is the height of the cone? (Use 3.14 for .) 2 feet 3.46 feet 6 feet 4 feet
answered Oct 9, 2021
6 votes
26.3k views
Find the common difference of the arithmetic sequence 4, 10, 16,...​
answered Oct 7, 2021
3 votes
67.1k views
Which of the following graphs best represents the new function?
answered Sep 16, 2021
3 votes
1.4k views
Three cube-shaped boxes are stacked one above the other. The volumes of two of the boxes are 1,331 cubic meters each, and the volume of the third box is 729 cubic meters. What is the height of the stacked
answered Aug 25, 2021
6 votes
136k views
Find the equivalent resistance, current, and voltage across each resistor when the specified resistors are connected across a 20 V battery. Part (a) uses two resistors with resistance values that can be
answered Mar 30, 2021
0 votes
95.9k views
How many solutions does the following equation have? 7(y + 3) = 5y + 8 answer:
answered Mar 29, 2021
5 votes
224k views
A scientist conducted an experiment to test the hypothesis that maple seeds exposed to acid rain will take longer to germinate than seeds exposed to normal rain, which has a pH of 5.6. The scientist set
answered Oct 25, 2020
5 votes
48.3k views
State a conclusion that seems reasonable. 6+0=6, 8+0=8, 9+0=9, 100+0=100
answered Aug 22, 2020
0 votes
92.6k views
Rewrite each expression by factoring out the greatest common factor. -3p² - 4p
answered Jan 29, 2020
5 votes
135k views
Who is the sun god?...
answered Jan 18, 2020
1 vote
185k views
What are the factors that affect ocean density? Define density
answered Dec 30, 2019
0 votes
193k views
At the movie theatre, child admission is 5.20 and adult admission is 9.30 . On Tuesday, twice as many adult tickets as child tickets were sold, for a total sales of 785.40 . How many child tickets were
answered Dec 16, 2019
3 votes
115k views
Find the slope of the line graphed below.
answered Dec 10, 2019
0 votes
4.4k views
Can someone please help me with this math probelm??? Please show ALL the steps. Thanks 5x + 3(-2x - 10) = 25 What is the value of x?
answered Nov 5, 2019
1 vote
212k views
Which sentence contains a misplaced modifier? a As Karen arrived, she saw the band on the stage. b The band played songs for the crowd with guitars. c Karen knew nearly every song the band played. d She
answered May 8, 2019
3 votes
172k views
One student made a science model with a balloon having many spots on it. The balloon was blown up gradually as shown below. A girl blowing up a balloon with dots on it. The dots are close together and
answered Feb 11, 2019
4 votes
77.5k views
What connection did john l. o'sullivan's term "manifest destiny" have to american expansion of the mid-nineteenth century?
answered Dec 29, 2018
4 votes
196k views
What is the property to 2 (×+y) = 2×+2y
answered Dec 25, 2018
5 votes
212k views
One important thing in finding employment is to get your resume noticed and read.
answered Jul 14, 2018
3 votes
203k views
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