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princess
Questions and answers by
princess
Questions (81)
a cask containing 20 liters of wine was emptied of one-fifth of its contents and then filled with water. if this is done 20
5 answers
asked by
princess
10,094 views
MnO4–(aq) + Cl–(aq) Mn2+ + Cl2(g) (unbalanced)
i. Write the reduction and oxidation half-reactions (without electrons). (.5
7 answers
asked by
princess
27,451 views
Write the standard cell notation for a galvanic cell with a silver cathode and a zinc anode.
5 answers
5,603 views
What makes this an oxidation-reaction? 3Ag2S+2Al(s) -> Al2S3+6 Ag(s)?
Write the half-reactions showing the oxidation and
4 answers
5,446 views
( x2 + 6x-3) x2-4x = (5-x)x2-4x
32x+3- 6.3x+1- 9 = 0 6log5=a and 5log4=b 4log0,24=….. Are these 4 separate questions? Convert
1 answer
503 views
A child's development is affected most by the
A. financial status of the child's family B. social status of the child's family C.
5 answers
663 views
write the expression as a complex number in standard form
1+2i ----- 3-8i
3 answers
478 views
solve the equation by completing the square:
x^2-9x-2=0
1 answer
319 views
what is the kinetic energy in joules of a 1000 kg car travelling at 90km/h
4 answers
748 views
interpret an r value of -0.82. a)strong negative correlation B)weak negative correlation C)strong positive correlation D)no
2 answers
899 views
what is the distance from the pitcher's box to second base if the distance from the pitcher's box to home plate is 18 meters and
2 answers
552 views
a gardner wishes to encloe a rectangular 3000 square feet area with bushes on three sides and a fence on the 4th side .If the
1 answer
392 views
how did religion shape the development of colonial society in the Chesapeake?
1 answer
465 views
An aqueous solution of phosphoric acid, H3PO4, contains 285 g H3PO4 in 400 mL solution, and has a density of 1.35 g/mL.
3 answers
1,114 views
Determine the chloride ion concentration in a solution containing 50.0 g MgCl2 dissolved in 1500 mL of solution.
a. 0.350 M b.
4 answers
1,703 views
what is the chemical equation for these situations..?
a) there is a straight iron nail in the solidified gelatin solution. the
1 answer
887 views
HELP PLEASE...
what is the chemical equation for these situations..? a) there is a straight iron nail in the solidified gelatin
1 answer
409 views
explain how mitosis helps an organism to grow.
3 answers
798 views
a carpenter was putting up a shelf. the shelf needed to be 87 centimeters long but the piece of wood she had was 1 meter and 28
2 answers
725 views
Think about the various processes that take place in the body or in the natural environment and come up with a list of at least
4 answers
1,742 views
If one electrode in a galvanic cell is made of zinc (Zn) and one is made of silver (Ag), which metal would be the cathode and
4 answers
2,800 views
A 75.0 sample of 1.50×10^−2 Na2SO4 is added to 75.0 mL of 1.26×10−2 Ca(NO3)2. What is the % Ca undissolved
2 answers
489 views
What would happen if O2 were added to N2(g) + O2(g) 2NO(g) at equilibrium?
2 answers
703 views
What would happen to a weak base dissociation equilibrium if more products were added?
2 answers
869 views
1. List at least three things that your body strives to keep constant. Think about what aspects of your body overall, of one
7 answers
5,650 views
What is the pOH of a solution with [OH-] = 2.0 10-2?
2 answers
469 views
A swimming-pool worker wants the pool's pH to be 7.2. She comes by to test the water and finds that the pH is 9.2. What should
13 answers
1,407 views
Question 1: Kinetic Theory (7 points)
a. Briefly state what the kinetic theory says. (2 points) b. Put the following molecules in
3 answers
1,356 views
MnO4–(aq) + Cl–(aq) Mn2+ + Cl2(g) (unbalanced)
i. Write the reduction and oxidation half-reactions (without electrons). (.5
3 answers
1,615 views
What must be known for the rate constant to be calculated from the rate law?
1 answer
420 views
Which describes a source of radiation heat?
A. Liquid or gas circulating to move the heat B. The sun sending out electromagnetic
1 answer
476 views
Calculate the empirical formula of a molecule with the following percent compositions: 55.0% gallium (Ga) and 45.0% fluorine
4 answers
2,990 views
If 3 moles of a compound use 12 J of energy in a reaction, what is the Hreaction in kJ/mol?
A. -4 kJ/mol B. -0.004 kJ/mol C.
9 answers
8,172 views
If 852.04 g Al(NO3)3 reacted with the 741.93 g Na2CO3, which would be the limiting reagent?
c. Use the limiting reagent to
3 answers
2,235 views
Use the following steps to balance the redox reaction below:
Mg + Au+ Mg2+ + Au a. Write the oxidation and reduction
4 answers
2,239 views
What is the Arrhenius acid and what is the Arrhenius base in the above reaction?
1 answer
1,110 views
Use the acid-base reaction HI + CsOH CsI + H2O to answer the following questions.
i. What is the Arrhenius acid and what is the
4 answers
2,595 views
For the following questions, use the reaction SO3(g) SO2(g) + O2(g), with ÄH = 98.4 kJ/mol and ÄS = 0.09564 kJ/(mol·K). (8
4 answers
1,576 views
what is the vapor pressure of alcohol in 25 degree celcius? the answer should be answered in millimeter mercury.
tnx^_^
1 answer
417 views
Factorize Xsquare-6x-3
1 answer
400 views
At a certain instant a moving object comes to momentary rest. Is it accelerating at that moment?
4 answers
2,429 views
penny put 5 dounts in one pack how many packs will she have in 2587
5 answers
321 views
What happens when smog lifts in los angeles, california?
5 answers
3,118 views
what is the line segement for each length 2 1/4 and 7/8 when measured with a ruler
1 answer
318 views
The following is a list of figures for a given year in billions of dollars. Using this data, compute: (a) GDP; (b) NDP; (c) NI;
3 answers
1,404 views
why cant Na be used to prepare H2?
1 answer
303 views
find the theoreticval value of the period of a pendulum of length 0.9 meters located on the surface of the earth.
1 answer
401 views
what are the steps in baking of cake?
1 answer
435 views
you and a flight attendant toss a ball back and forth in an airplane in flight. Does the kinetic energy of the ball depend on
4 answers
2,413 views
you and a flight attendant toss a ball back and forth in an airplane in flight. Does the kinetic energy of the ball depend on
2 answers
742 views
Hello.I have a question. Do sprouts germinate? Thank you for the help. PLEASE HELP:)
2 answers
791 views
Traditional healers should be allowed to practice and prescribe medicine in hospital and clinics
5 answers
661 views
9 to the power of 2x+1=81 to the power of x ÷3 to the power of x
1 answer
322 views
write the number as a mixed number
11 over 2
6 answers
483 views
I am less than 20 I am an odd number I am the square root of 225 I am
3 answers
385 views
If u borrow $675 for 6years at an interest rate of %10, how much interest will u pay?
4 answers
1,412 views
How much interest is earned on $470 at 4% for seven years?
6 answers
2,793 views
Find the centres and radii of the circles given by
A)x2+y2=6x B)x2+y2-6x+14y+49=0
1 answer
398 views
Patsy has cheer leading practice every fourth day. She wants to be in the school play. but they have practice every sixth day.
2 answers
706 views
Is 38/53 in simplest form? Explain why or why not. If not, write it in simplest form.
104 answers
10,191 views
an open water tank with length 20 m and width 15 m holds 4800 cubic metres of water.calculate the total surface area of the part
1 answer
466 views
an average of 760m, 96.2mm wide angled, height of 3 600m. what the scale of these photographs?
1 answer
385 views
Consider the cost function C(x)=x^3-3x^2+100x-10, discuss its domain
1 answer
313 views
How could you write 35% as the sum of two benchmark percents or as a multiple of a percent
THIS IS 6TH GRADE MATH IT IS PRE
4 answers
580 views
Assume you are starting a new research project from scratch, you are interested in one of the following proteins and want to
2 answers
584 views
how much work is done if a force of 12N moves an object a distance of 5m
5 answers
2,894 views
the rectangular garde of 6 metres by 4 metres is surrounded by a path of uniform width. if the area path is 56m squad, what is
1 answer
429 views
the rectangular garden of 6 metres by 4 metres is surrounded by a path of uniform width. if the area path is 56m squad, what is
3 answers
611 views
A train moving on a circular track with a diameter of 14,642 km,takes 50 minute to complete one revolution. calculate the
4 answers
852 views
What was the aim of the Reign of terror
3 answers
621 views
3/4 of the girls in SSS1 play basket ball and 4/7 play volleyball. Every girl plays at least one of these games. If 27 girls
4 answers
2,278 views
the thickness of book varies directly with the number of pages ,a book is 1.8
4 answers
411 views
3√2+5√2-10√2 is equal to
1 answer
186 views
please solve w fair is partly x and partly as the square of x when x is equals to 3 w is equals 18 and when x equals to 5 w is
4 answers
203 views
An object of mass 1.5 kg rests on a shelf where it has a gravitational potential energy of 7 joules. An object of mass 4.5 kg is
1 answer
229 views
An object has a gravitational potential energy of 24 joules when it rests on a shelf 3 m above the ground. What would be its
1 answer
202 views
2 C2H2(g) + 5 O2(g) 4 CO2(g) + 2 H2 (g)
How many L of CO2 gas (measured at STP) will be formed during the combustion of 50.0L
3 answers
610 views
A baket of mass 2.5kg is shot and move with a velocity of 30ms calcute the kinetic energy of bullet
4 answers
239 views
what can i be with this subjects
1 answer
205 views
Simplify −5(2x−6)+25x
1 answer
180 views
y=x^2+5x+1,y=3x+25
1 answer
54 views
