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john
Questions and answers by
john
, page 2
Questions (2,066)
It said name the following compounds containing polyatomic ions
a) NaHCO3 i put Sodium Dicarbonates But b and c i had no idea
3 answers
959 views
a circulating current of warmer material ( such as magma )
4 answers
411 views
Determine the percentage composition of each of the following compounds
a) NaCl b) AgNO3 c) Mg(OH)2
6 answers
4,392 views
Determine the percentage composition of each of the following compounds
a) NaCl b) AgNO3 c) Mg(OH)2 for NaCl i got na=23/135=0.17
2 answers
593 views
i posted a question around like 5 hours ago and still haven't received any help.
1 answer
452 views
i am doing a paper and i need to find the pros to embryonic stem cells I only have one reason which is medical but I need 4
1 answer
458 views
can someone post five reasons as to why embryonic stem cells research is needed?
I have these already: 1. Repair injuries 2. Used
3 answers
417 views
i need help solving this one (x + 4)^2/3= 9 a) 13 b) 23;-31 c) 5 d) 31;-31
also sove check for extraneous solutions (6x-5)^1/2 =
1 answer
359 views
How do I determine the isotonic state of a grape cell, the point at which no water would enter or gain a cell?
I did an
2 answers
595 views
is this correct?
use the integral test to determine if this series is convergent or divergent: the series from n=2 to infinity of
1 answer
481 views
Is this correct?
determine if absolutely convergent and convergent 1. the series from n=0 to infinity of ((-1)^n)/n! I said it
1 answer
452 views
Is this correct?
determine if absolutely convergent and convergent 1. the series from n=0 to infinity of ((-1)^n)/n! I said it
1 answer
423 views
does the series from n=1 to infinity of 1/arctan(2n) converge?
I said yes but I didn't know what to
1 answer
438 views
Is this correct?
determine if absolutely convergent and convergent 1. the series from n=0 to infinity of ((-1)^n)/n! I said it
1 answer
397 views
chemical analysis shows that citric acid contains 37.51% C, 420% H, and 58.29% O. What is the empirical formula for citric acid?
2 answers
535 views
Solve the equation
Vx + 7 +5=9 a) -3 b) 9 c) 23 d) 16 V= real number root aka 2nd x2 on graphing calc
1 answer
315 views
Solve the equation
Vx + 7 +5=9 a) -3 b) 9 c) 23 d) 16 V= real number root aka 2nd x2 on graphing calc
1 answer
340 views
Solve the equation
Vx + 7 +5=9 a) -3 b) 9 c) 23 d) 16
6 answers
403 views
is this sentence right? Il s'a fait couper les chevuex hier.
Also, I don't know how to use faire cuire in the passe compose
4 answers
473 views
use the experimental molar mass to determine the molecular formula for ocompounds having the following analysis.b) 54.53% carbon
2 answers
567 views
i am confused when i should use "pendant" versus "i y a" for the past and when to use "pour" versus "dans" and "d'ici" for the
3 answers
396 views
I need the name of 2 groups that are related, and how they effect each other I have no clue
1 answer
322 views
two specific formally organized groups.What kind of activites do they have
and how does one group effect the other that is how
7 answers
471 views
for each of the following synthesis reaction indentify the missing reactant(s) or product(s) and then balance the resulting
6 answers
931 views
write the chemical equations for the following sentences
a) Aluminum reacts with oxygen to produce aluminum oxide I put Al + O2
4 answers
4,293 views
complete each of the following synthesis reactions by writing both a word equation and a chemical equation
a) sodium +
6 answers
2,096 views
how does mechanical digestion occur in the small intestine?
What three enzymes are involved in chemical digestion of small
2 answers
612 views
a) whart chemical principle is the basis for the activity series of metals?
b) What is the significance of the distance between
3 answers
567 views
a) whart chemical principle is the basis for the activity series of metals?
b) What is the significance of the distance between
3 answers
1,622 views
list 5 key issues that kepp the palestinians and israelis from making a lasting peace settlement
1 answer
341 views
suppose you invest 17000 at an annual interest rate of 3.9% compounded continuously? how much will u have in the account after
2 answers
519 views
how do i solve this problem?
f(x)=3x and g(x)=4x-3, find f[g(5)] and g[f(5)]
1 answer
212 views
solve 7^5x=23. round to the nearest ten-thousandth
also solve in (4x +5)=4 round to the nearest thousandth
3 answers
793 views
In the commercial production of the element arsenic, arsenic (II) oxide is heated with carbon which reduces the oxide to the
4 answers
1,187 views
In the commercial production of the element arsenic, arsenic (II) oxide is heated with carbon which reduces the oxide to the
2 answers
586 views
how do you distinquish between a limiting reactant and the excess reactant in a chemical reaction?
b) how do you distinguish
2 answers
598 views
a) why should you use moles in stoichimetric problems?
b) solid reacts violently with water, producing heat, hydrogen gas, and
2 answers
518 views
a) why should you use moles in stoichimetric problems?
b) solid reacts violently with water, producing heat, hydrogen gas, and
4 answers
460 views
detailed description of water pollution problem.
1 answer
345 views
classification of all machines
1 answer
335 views
can someone please help me fast before midnight.
a)I need the correlation between x and y b)slope of linear regression c)y
2 answers
514 views
In the novel what is the purpose of edna and robert?
1 answer
477 views
where can i find information on 9/11 i have a huge projject and i have to teach the classs for 50 min
1 answer
438 views
Would each of the following increase, decrease, or have an indeterminant effect on a
firm’s breakeven point (unit sales)? a. An
3 answers
692 views
what is the molecular geometry of trans-difluroethylene: trans-C2H2F2?
i want to say it is a tetrahedral because it has four
3 answers
1,202 views
what is the molecular geometry of trans-difluroethylene: trans-C2H2F2?
i want to say it is a tetrahedral because it has four
3 answers
1,907 views
what is the absolute value of the product of all the integers from -6 to 3, inclusive
2 answers
852 views
hi,
I am trying to find the solubility of Sodium Acetate by using 0.100 mol Hydroxide(base) and 0.837 mol acetic acid( vinegar).
2 answers
627 views
Rub your index fingers gently over a piece of very coarse sandpaper a few times and rate its coarseness on a scale from 1 (very
2 answers
571 views
write an equation of a hyperbola with vertices (3, -2) and (-9,-2) and foci (7,-2) -13,-2)
2 answers
710 views
write an explicit formula for the sequence 7,2,-3,-8,-13 then find a14
4 answers
3,800 views
Je ferai la p¨ºche. <=Does it makes sense?
3 answers
490 views
solve log(x +9) - log x=3
3 answers
361 views
what is internal marketing?
1 answer
275 views
The Constitution specifies a three-fourths majority for just one process. What?
3 answers
1,042 views
the sun sets, fully disappearing over the horizon as you lie on the beach, your eyes 10 cm above the sand. you immediately jump
3 answers
517 views
i need the word asunder use in a sentence!
1 answer
414 views
if y variesdirectly partly as b andc if y=3,b=2,andc=-2,andwhenny=2,b=3 andc=1/2 find k hence findc when y=4,b=1
1 answer
344 views
a hemisphericalbowl of diameter 14cm mounted on a bucket inform of frustrum of a cone if the base diametre of the bucket is 7cm
1 answer
460 views
y is partly constant and partly varies as the cube of x given that whenx=1,y=5,andx=2,y=-1 find the relationship betweenx and y
1 answer
486 views
y is partly constant and partly varies as the cube of x given that whenx=1,y=5,andx=2,y=-1 find the relationship betweenx and y
4 answers
661 views
Does technology always follow science?
7 answers
2,653 views
can you replace the stars with figures
**** x 3
1 answer
300 views
can you replace the stars with figures
**** x 3 ______ ***** the whole calculation uses each of the digits 0-9 once and once only
5 answers
4,881 views
a small spacecraft of mass m is moving in a straight line at a speed of 8.00m/s.It suddenly breaks into pieces .one piece of
1 answer
439 views
what is the division of power between the federal government and the states called?
2 answers
1,181 views
Which body has a larger escape velocity, Mars or Saturn?
MMars = 0.1 MEarth MSaturn = 95 MEarth RMars = 0.5 REarth RSaturn = 9.4
1 answer
514 views
The Eiffel Tower is 497 feet taller than the Washington monument. If each of the monuments were 58 feet shorter, the Eiffel
3 answers
1,137 views
Paula mixed 2 cups of sunflower seeds and 3 cups of raisins to make a snack for a hike. she figured that the mixture would
3 answers
1,220 views
E-497=W
E-58=2(W-58) how would I find the hieght of each
1 answer
279 views
Paula mixed 2 cups of sunflower seeds and 3 cups of raisins yo make a snack for a hike. She figured that the mixture would
2 answers
585 views
How do i do a concept map on ecology?
2 answers
514 views
the native people of australia are known as
3 answers
396 views
s= ..... meters (1angstrom=10^-10)
1 answer
275 views
An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction
3 answers
563 views
An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction
4 answers
3,388 views
Person A has one amount of money in his pocket, Person B has one amount of money in his pocket. If person A gives X amount to
2 answers
516 views
how do you do equality proofs?
1 answer
352 views
please send us the articles about this topic
4 answers
405 views
how does distance relate to spatial frequencies with one's perception
1 answer
395 views
what is the big idea of energy?
2 answers
494 views
logarithms?
log (base 9) x+3 log (base 3) x=14
4 answers
2,779 views
A piece of lithium metal with a mass of 3.25g reacts with sufficient hydrochloric acid in a closed flask containing 235 mL of
2 answers
589 views
how can the social, political or economic conditions alter the nature and meaning of art
3 answers
1,223 views
how can social, polictical or economic conditions alter the nature and meaning of art?
3 answers
473 views
A loaded ore car has a mass of 880 kg and rolls on rails with negligible friction. It starts from rest and is pulled up a mine
6 answers
4,573 views
Draw two lines under the verb in each sentence below. Indicate the tense of the verb.
1.The children of Israel have defeated
5 answers
1,347 views
A student wants to determine the coefficients of static friction and kinetic friction between a box and a plank. She places the
3 answers
867 views
A house is built on the top of a hill with a nearby slope at angle 45° slope (Figure 6-55). An engineering study indicates that
3 answers
745 views
Panic escape. The figure below shows a general situation in which a stream of people attempt to escape through an exit door that
3 answers
3,549 views
A train moving at a constant speed of 68.0 km/h moves east for 33.0 min, then in a direction 40.0° east of due north for 30.0
2 answers
1,079 views
A rotating fan completes 1200 revolutions every minute. Consider a point on the tip of a blade, at a radius of 0.11 m.
(a)
2 answers
740 views
An Earth satellite moves in a circular orbit 775 km above the Earth's surface. The period of the motion is 100.1 min.
(a) What is
2 answers
885 views
A rotating fan completes 1200 revolutions every minute. Consider a point on the tip of a blade, at a radius of 0.11 m.
(a)
1 answer
1,019 views
A circular-motion addict of mass 70 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of
2 answers
572 views
a uniform beam of weight 420 N and length 3.2 m is suspended horizontally. On the left it is hinged to a wall; on the right is
2 answers
655 views
what is the equation for arc length?
1 answer
260 views
find the sum of the interior and exterior angles of a polygon of 7 sides.
find the measure of the exterior and interior angles of
2 answers
577 views
fifteen is to five like nine is to ? 5 letters starts with scr, spr, str, thr
4 answers
386 views
What does Renaissance mean?
4 answers
379 views
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