Questions by Helb

Questions by Helb

The specific heat capacity of rubidium is 0.360 J/g°C. A sample of rubidium absorbs 40.0 kJ when heated from 12.5 °C to 38.0 °C. Calculate the mass of the rubidium sample.

asked Apr 20, 2020

1 answer

0 votes

142k views

HELP ASAP!!! EXTRA POINTS!!!

asked Mar 11, 2020

2 answers

3 votes

44.7k views

Louis has 45 pencils and 75 pens to divide into gift bags at the fair. He does not want to mix the pens and pencils. He wants to place an equal amount in each bag.What is th greatest number of pens or

asked Nov 19, 2019

1 answer

2 votes

232k views

Which of the following consists of a single element or type of compound? a) Heterogeneous mixture b) Homogeneous mixture c) Impure substance d) Pure substance

asked Oct 16, 2019

2 answers

5 votes

166k views

PLEASE HELP ASAP The body of the business letter should include your introduction, background information, and expression of appreciation to the recipient. True False

asked Sep 23, 2019

2 answers

0 votes

39.2k views

I’m confused it’s it right

asked Aug 27, 2019

1 answer

3 votes

85.2k views

Neurons conduct and receive information from other neurons in the form of electrical currents. the receiving end of the neuron is the _______________ while the conducting portion of the neuron is the ______________.

asked Aug 6, 2019

1 answer

0 votes

110k views

What is the missing y-coordinate that would produce a slope of 3, if a line were drawn through the points left-parenthesis 4 comma 5 right-parenthesis and left-parenthesis 8 comma y right-parenthesis?

asked Aug 3, 2019

1 answer

4 votes

204k views

A change occurs in an environment that lasts for several thousand years and causes changes to the genetic makeup of several species. What can be known about this change? a. it is short-term b. it is long-term

asked Mar 1, 2019

2 answers

2 votes

151k views

What expression is equivalent to (sin^2x) - (sin x) -2 / sin x-2 ?

asked Oct 7, 2018

1 answer

5 votes

41.7k views

Which prefix will change the meaning of text to “an underlying meaning”? sub- con- pre- hyper-

asked Aug 1, 2018

2 answers

2 votes

168k views

Which of the following statements describes trade between Portuguese merchants and merchants of the Ming Dynasty? Portuguese merchants traded European textiles and metals for Chinese silk and porcelain.

asked Feb 2, 2018

2 answers

4 votes

205k views

How can you help motivate someone for the positive? a. You can pay attention to the driving force behind someone's actions and then use it to motivate them. b. You can figure out what would be best for

asked Aug 28, 2017

2 answers

5 votes

167k views

What is 4 over 12 in simplest form

asked May 8, 2017

2 answers

2 votes

51.0k views

Which statement describing the results of the Crusades is not true? A. Jews regained control of the historic lands of Canaan and Judea, creating their own state in the ancient territory of Israel. B. Muslim

asked Jun 4, 2016

2 answers

3 votes

119k views

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