# ch

Most popular questions and responses by ch
1. ## Language Arts

10 MS. SMITH: [glossing over his misbehavior and adopting a serious tone as she hands Jason a piece of paper] Yes, OK. So, tell me your plan for the project. Have you consulted this project list yet? You really need to quit putting this off. You're the

2. ## chemistry

how much heat, in kilojoules, must be added to 178 grams of water to increase the temperature of the water by 50 degrees celisus?

3. ## Chem

If you have an equation for a line, y = 0.15x + 0.010, where y is absorbance and x is concentration in molarity of Fe (2+), calculate the concentration of a test sample with an absorbance of 0.065. What is the absorbance value for the blank in this

4. ## chemistry

what volume of hydrogen will be produced if 100cm3 of ammonia is completely decomposed at constant temperature and pressure.

5. ## physics

At 15 minutes past the hour, a 47.0 g mouse runs up a grandfather clock and sits himself down at the end of the minute-hand. If the minute-hand for the clock is 16.0 cm long, what is the magnitude of the torque exerted by the mouse on the minute-hand? Give

6. ## Maths

A pond is 36 cm long.A duck swims 4 lengths of the pond each day.How far foes the duck swim in four weeks.

7. ## history

in what ways have Native Americans keot their cultural traditions alive?

8. ## chemistry

What is 9.3 X 10 to 5th power

9. ## physics

A 1.83×103 kg car accelerates uniformly from rest to 10.7 m/s in 3.44 s. a) What is the work done on the car in this time interval? Answer in units of J

10. ## chemistry

The half-life of a first order reaction is determined to be 72.5 years. How long will it take for the concentration of the reactant to reach 2% of its initial value?

11. ## mATH

COMPARING only unit rates EXAMPLES PLEASE

12. ## math

multiply X plus Y Squared

13. ## math

how do u solve a unit rate problem using proportions to solve

1. ## Social Studies

it's probably B.

posted on September 12, 2019
2. ## Chemistry

what is the no of ions 16g of h2co3

posted on July 13, 2018
3. ## maths

3.732

posted on May 11, 2015
4. ## maths

0.45

posted on May 11, 2015
5. ## chemistry

the first oxygen has a -1 charge, the second oxygen has a +1 charge, and the last oxygen has a 0 charge.

posted on January 12, 2014
6. ## English

Thank you Jo all the answers were right!

posted on April 19, 2012
7. ## mATH

COMPARING RATES ONLY USING PORPOTIONS

posted on January 26, 2012
8. ## mATH

UNIT RATES USING PORPORTIONS

posted on January 26, 2012