Questions Asked on
August 21, 2017

chemistry
A quantity of 85.0 mL of 0.900 M HCl is mixed with 85.0 mL of 0.900 M KOH in a constantpressure calorimeter that has a heat capacity of 325 J/C. If the initial temperatures of both solutions are the same at 18.24C, what is the final temperature of
asked by Daniella 
Algebra
How many variable terms are in the expression 3x3y + 5xz − 4y + x − z + 9? (Input a numeric value only.) I already did this question and got it wrong, I just want to know the correct answer to prevent further mistakes. My answer is 5
asked by Aldo 
Biochemistry
What is the condensed structural formula of cyclopropane?
asked by Karen 
science
Which statements best describe how the properties of gases and plasmas differ? (Select all that apply). The particles of plasmas have a higher kinetic energy than the particles of gases. Gas particles are charged while plasma particles are uncharged.
asked by lydia 
math 9th grade
if xy is rational must either x or y be rational
asked by maria 
Statistics
Someone help me understand this please?? The following is a frequency data set for test scores in a small class. Construct a cumulative frequency plot displaying the data on your own paper, calculator, or StatCrunch. Then, describe the the graph in a
asked by Amethyst 
Calculus
Find the length of the parabola y^2=4ax cut off the line x=a about the xaxis
asked by Kumkum 
science
liquid water has a constant density. Do you agree or disagree with this statement? Why or why not? Be sure to support your argument by using what you have learned about the states and motion of matter.
asked by lydia 
Physical Science
How will you prepare a laboratory procedure to verify the validity of the hypothesis? Give example.
asked by Michelle 
science
liquid water has a constant density. Do you agree or disagree with this statement? Why or why not? Be sure to support your argument by using what you have learned about the states and motion of matter. please help
asked by lydia 
physics
A body of mass 5kg moving with a speed of 3m/s collides head on with a body of mass 3kg moving in the opposite direction at speed of 2m/s The first body stops after the collision The final velocity of the second body is Ans:3m/s
asked by Thousif 
Statistics
Which of the following is not true about histograms? A) The bars must touch each other. B) A histogram may be symmetric or skewed depending on the selection of bin width. C) Each bin must have the same width. D) Histograms may represent categorical data.
asked by Amethyst 
History
Iodine is a nonfuel mineral used in many different products, including pharmaceuticals, photography, and disinfectants. Why would iodine be influential to Oklahoma's economy? A. Oklahoma is the only state the produces iodine. B. More iodine is produced
asked by NotAFan 
English
The diction of "At the Tourist Centre in Boston" can best be described as A. Emotionally charged B. Colloquial and relying on slang C. Informal and simple D. Mostly figurative and abstract I'm stuck between "Emotionally charged" and "Mostly figurative and
asked by Mitch 
SCIENCE
why does a fly experience greater acceleration when it collids with a fast moving bus
asked by KING 
physics
Three particles of equal masses travelling with velocities of 10m/s,20m/s and 30m/s respectively along xaxis at an angle of 30° to the direction of positive xaxis and Yaxis collide simultaneously and get sticked to each other 1)The combined particle
asked by Thousif 
Math
How many rectangles can you build with a prime number of square tiles
asked by May 
math
At 3 p.m. the temperature was 9° F by 11p.m., it had dropped 31°F. What was the temperature at 11 p.m.?
asked by Brice 
Math
A map scale indicates that one centimeter equals 10 km two cities are 8 cm apart on the map how far apart are they in real life
asked by Roommyy 
AP Calc
A rational function f(x) contains quadratic functions in both the numerator and denominator. Also the function f(x) has a vertical asymptote at x=5, a single x intercept of (2,0) and f is removeably discontinuous at x=1 because the lim x> 1 is 1/9. Find
asked by Alex 
Maths
The numerator of a fraction is 5 less than the denominator. If 1 is added to both the numerator and denominator the fraction would become 2/3. Find the fraction
asked by Mohammad 
AP Global History
How did these events (protestant reformation, counter reformation, commercial revolution, renaissance, crusades, scientific revolution, and ottoman expansion) lead to the age of exploration?
asked by Maya 
History
In what ways were the southern cities similar to the northern cities
asked by Rose 
Maths
Mr Lee start from her home,and goes 250m due south,then 200m due east,and finally 100 due south to a shopping mall.Find the distance between her home and shopping mall.
asked by Lai 
Math about whole number
apples are sold at 3 for $2 at busy mart. at big food, the same apples are sold at 5 for $2. kassim buys 15 apples from big foods instead of buys mart. how much does he save?
asked by Yoopayo 
math
5 years from now a boy's age will be 2 time the square of what it was 5 years ago.how old is he now? a)15/2 years c)7 years b)3 years d) 8 years
asked by rebika 
Algebra
Use the distributive property to write the sum as a product. 2x+2y
asked by Jane 
chemistry
Knowing that 1 mol of a certain monoprotico acid, HX, contained in 1 litre aqueous solution, this 50% ionized, point the value of its ionization constant.
asked by snow 
English
How is the fellowship of the ring similar to the aeneid?
asked by Maya 
Maths
Mr Lee start from her home,and goes 250m due south,then 200m due east,and finally 100 due south to a shopping mall.Find the distance between her home and shopping mall.
asked by Anonymous 
Maths
Hi I am new my friend told me to get help here.please can you help me by telling me an easy method to solve this. 9y+2x=
asked by Gerard 
Math
There were 49 students in a gym class.if 3/7 were boys and the rest were girls, how many boys were in the gym
asked by Karla 
AP Global History
How did rum represent the triumph and oppression of the first era of globalization?
asked by Maya 
Science
Paul road his bike from the bottom of his street to his friend’s house at the top of the hill on his street. He knew his PE was 5,000 J and ME was 25,000 J but wanted to find out his KE. What is Paul’s KE energy on his bike ride to his friend’s
asked by Anon 
Calculus
Show that volume of the solid generated by revolving y=1/x between x=1,2x=infinity about xaxis
asked by Kumkum