Questions by Shape

Questions by Shape

Heating 1.124 g of an unknown NaHCO3-NaCl mixture resulted in a mass loss of 0.270 g. a. Calculate the mass of NaHCO3 present in the original mixture. b. Calculate the mass percent of NaHCO3 in the unknown

asked Dec 10, 2021

1 answer

0 votes

228k views

Why did Semele, Cadmus’s daughter, die? A. She jumped to her death with her son. B. She saw Zeus in his glory. C. She saw her son torn apart by his dogs. D. She killed her son in anger.

asked Nov 17, 2021

2 answers

5 votes

176k views

Define exothermic reaction. Define endothermic reaction.

asked Sep 8, 2021

2 answers

2 votes

63.1k views

Which number is equivalent to 3^4/3^2 A. 2 B. 9 C. 81 D. 729

asked Aug 22, 2021

2 answers

1 vote

224k views

Children of any age should be able to apply for a driver's license. A Too Obvious B Not Defendable C Controversial

asked Jul 22, 2021

2 answers

5 votes

10.1k views

The picture is linked here

asked Jun 22, 2021

2 answers

2 votes

18.8k views

What are two theories that historians have about why prehistoric humans painted animals on cave walls

asked May 23, 2021

1 answer

3 votes

231k views

The quadratic function y = –10x2 + 160x – 430 models a store’s daily profit (y) for selling a T-shirt priced at x dollars. What equation do you need to solve to find the selling price or prices that would

asked Mar 20, 2021

2 answers

4 votes

218k views

What is 80% of 960? Round to the nearest hundredth (if necessary).

asked Mar 14, 2021

2 answers

3 votes

92.1k views

Personal financial planning includes decision making about education, employment, housing, transportation, and lifestyle. True or false?

asked Oct 22, 2020

1 answer

0 votes

55.2k views

One supplementary angle is 12 degrees less than twice the other. Find two supplementary angles.

asked Aug 3, 2020

1 answer

2 votes

180k views

What does 4(x + y) equal

asked Aug 3, 2020

1 answer

3 votes

81.4k views

Sociologists found that the effects of institutionalization on infants, i.e. lack of a caring environment, will result in slower development of their mental, physical, and emotional skills. Please select

asked Apr 15, 2020

2 answers

5 votes

35.9k views

Jordan has taken 5 tests in his science class. His average score is 80. If Jordan scores 100,a perfect score ,on the remaining 4 test, what will his new average be closest to? A. 87 B. 88 C. 89 D.90

asked Apr 13, 2020

2 answers

0 votes

112k views

Which of the following best describes a similarity between the provisions of the Kansas-Nebraska act that Richard Cordley describes and those of the Wilmont Proviso? (APEX) The [Kansas-Nebraska Act] provided

asked Apr 2, 2020

1 answer

4 votes

226k views

Describe the historical circumstances that led to the Mexico American war

asked Mar 10, 2020

1 answer

4 votes

27.5k views

Which is an example of a bipartisan action?

asked Apr 4, 2019

1 answer

1 vote

234k views

John can ride his skate board 100 feet in 4.6 seconds. how fast is this in miles per hour?

asked Apr 1, 2019

1 answer

2 votes

91.8k views

Select all that apply.There are a variety of eubacteria living as _____.decomposersheterotrophspathogensautotrophs

asked Jan 9, 2019

2 answers

1 vote

175k views

The average number of voters per precinct is

asked Oct 8, 2018

1 answer

1 vote

20.8k views

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