mateo

Most popular questions and responses by mateo
  1. Chemistry

    What mass of baking soda (NaHCO3) would be required to neutralize 10.00mL of 12.1M muriatic acid remaining in a empty water bottle? HCl(aq)+NaHCO3(aq)=>NaCl(aq)+CO2(g)+H2O(l)

    asked on April 13, 2011
  2. math

    One batch of fruit salad has equal amounts of which kinds of fruit?Explain how you decided.

    asked on March 25, 2013
  3. Physics

    The generator at a power plant produces AC at 24,000 V. A transformer steps this up to 345,000 V for transmission over power lines. If there are 2,000 turns of wire in the input coil of the transformer, how many turns must there be in the output coil?

    asked on April 28, 2011
  4. Social Studies

    Why did Rome became a republic? A. The king's broad powers allowed him to mistreat his people. B. The established monarchy wasn’t powerful enough. C. The aristocrats misused their power. D. The poor formed a rebellion against the aristocrats.

    asked on March 7, 2019
  5. physics

    What is the frequency of the EM wave emitted most strongly by a glowing element on a stove with temperature 1,500 K

    asked on April 28, 2011
  6. Chemistry -Assignment Followup

    Many important metals occur as sulfide, arsenide, and antimonide minerals, especially in the Sudbury mineral complex. The first step in processing these ores involves “roasting” the ore in air to produce the metal or metal oxide, along with nonmetal

    asked on November 6, 2017
  7. physics

    The wavelength of an electromagnetic wave is measured to be 600 m. What is the frequency of the wave?

    asked on April 28, 2011
  8. space

    gowing 10,00 miles per hour how long will it take to get to jupiter from earth with earth the sun and jupiter alined like a straight line or just an estimation

    asked on November 14, 2010
  9. space

    traveling 10,000 miles per hour how long will it take to get to jupiter from earth

    asked on November 14, 2010
  10. math

    two trains leave at the same time from stations 284 miles apart, traveling toward each other at 33mph and 38 mph respectively. how long will it take them to meet?

    asked on October 16, 2010
  11. fractions

    Eric and frank want to share 1and 1/3 feet of rope . What length of rope should each friend get?

    asked on March 6, 2013
  12. Math

    Sally bought a sweater for $46.75 that originally cost $85.00. What was the percent of decrease from the original to the sale price?

    asked on January 15, 2013
  13. Math

    bills' trail mix has 6 cups of walnuts and 10 cups of cranberries. using the same recipe, how many cups of walnuts go with 15 cups of cranberries

    asked on April 27, 2014
  14. math

    What is mental math?

    asked on September 30, 2013
  15. physics

    What is the wavelength of the peak of the blackbody radiation curve for the human body (T = 310 K)?

    asked on April 28, 2011
  16. space

    what is the day and nigh time temp. on jupiter

    asked on November 14, 2010
  17. Chemistry Repost?

    Many important metals occur as sulfide, arsenide, and antimonide minerals, especially in the Sudbury mineral complex. The first step in processing these ores involves “roasting” the ore in air to produce the metal or metal oxide, along with nonmetal

    asked on November 8, 2017
  18. Physics

    A ball is thrown upwards with an initial velocity of 70 m/s 1. What is the velocity after 3 seconds? 2. What is the acceleration at the top of its path? 3. How many seconds does it take the ball to go up? 4. How many seconds does it take to hit the ground?

    asked on January 28, 2016
  19. math

    Marty ate 1/4 of his pizza and Luis ate 1/3 of his pizz.marty ate more pizza than luis.how is that possible?

    asked on March 18, 2013
  20. math

    How can you order 3 fractions by using a number line?

    asked on March 25, 2013
  21. math

    How can you order 3 fractions by using a number line?

    asked on March 25, 2013
  22. social studies

    How many regions does the United States have?

    asked on March 19, 2013
  23. math

    Why is 1/8 greater than 1/10 but less than 1/3?

    asked on March 18, 2013
  24. unkown

    How many people have 91% of vitiamans?

    asked on March 7, 2013
  25. math

    28 kids were waiting at a bus stop.19 kids went to play.How many kids are waiting at the bus stop?

    asked on March 6, 2013
  26. science

    need a science project for 7th grade using toy train.

    asked on January 29, 2011
  1. Math

    You're so stupid!!!

    posted on July 9, 2019
  2. Math

    thanks big help

    posted on July 9, 2019
  3. Chemistry Repost?

    Bobpursley?

    posted on November 8, 2017
  4. Math

    Ya

    posted on April 6, 2017
  5. 3rd grade math

    You can say a yard is 3 ft and you say it like 3 times table

    posted on December 11, 2016
  6. math

    Me too

    posted on December 11, 2016
  7. math

    The first answer is 1 and 1/2 so you divide 3/2*2/1=1 1/2

    posted on December 11, 2016
  8. Math

    THE LOAN ARRANGER

    posted on November 16, 2015
  9. physics

    R1 and R2 are both the radius of the circles at the bottom and top respectively. I don't know the answer, I'm looking into that as well. At least you know that it's a radius now! :D

    posted on November 18, 2014
  10. math

    8 ducks and 4 cows D + C = 12 8 + 4 = 12 2 D + 4 C = 32 2(8)+ 4(4)= 32 16 + 16 = 32 32 = 32

    posted on September 21, 2014
  11. algebra

    I think the green creatures had about 12 and for the amount of blue creatures is 32 and the exception of the leader of the aliens which states that it had 3 heads and 4 feet to complete the solution of this problem.

    posted on November 20, 2013
  12. math

    Might be subtraction.so I don't know this.

    posted on March 7, 2013
  13. 3rd grade math

    7/10 is greater

    posted on March 6, 2013
  14. physics

    Acceleration is Delta V, over Delta T which equals V2-V1, over Delta T Delta referring to the change in velocity and change in time

    posted on October 18, 2012
  15. chemistry

    Thanks Dr.Bob!

    posted on April 13, 2011
  16. space

    thanks -i know that its not an exast answer did a hole project on it... but the teacher asked so an estimated answer is all i need... as i said thanks any way ...

    posted on November 14, 2010
  17. space

    yes i know ... say at opposie sides of the sun.

    posted on November 14, 2010