Answers by IRoygbiv
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Answers by IRoygbiv

Answers by IRoygbiv
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Using the following thermochemical equation, calculate how much heat is associated with the decomposition of 4.00 moles of NH4Cl. NH3(g) + HCl(g) è NH4Cl(s) ΔH = -176 kJ A) 5000 B) 740 C) 407 D) 704
answered Apr 15, 2021
2 votes
218k views
The area of the Mojave desert is 25,000 square miles. A scale drawing of the Mojave desert has an area of 10 square inches. What is the scale of the map.
answered Jan 16, 2021
3 votes
79.2k views
Are all “space rocks” the same? Explain why or why not.
answered Jan 16, 2021
5 votes
142k views
There are 4 chocolate chip cookies and 12 oatmeal cookies in a jar. If you reach in and randomly choose 2 cookies without replacing the first, what is the probability that both will be chocolate chip?
answered Jan 7, 2021
4 votes
86.2k views
What effect does human activity have on many ecosystems? It increases recycling. It attracts rodents. It decreases pollution. It destroys habitats.
answered Aug 11, 2020
4 votes
77.0k views
Marjorie needs to calculate how much water a cylindrical tank will hold. The tank is 9 feet high and has a diameter of 5 feet. Her work is shown below. Step 1: Step 2: Step 3: Step 4: cubic feet What error
answered Jun 18, 2020
6 votes
71.8k views
If 20% of a number is 35 , what is 50 % of that number
answered Mar 16, 2020
1 vote
151k views
What is the unit of measurement of velocity
answered Mar 15, 2020
3 votes
12.2k views
How might a change in temperature stop an enzyme from working
answered Jan 19, 2020
2 votes
98.5k views
3.2c + 1.7 = 24.1' c=
answered Dec 6, 2019
3 votes
41.0k views
The range of all real numbers x such that 2x − 5 < 7 and 4x + 10 > 6 is . The range of all real numbers x such that 2x − 5 < 7 or 4x + 10 > 6 is .
answered Aug 19, 2019
7 votes
97.3k views
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