Questions by Luckystars

Questions by Luckystars

A 35 g block of ice is cooled to −83 ◦C. It is added to 565 g of water in an 87 g copper calorimeter at a temperature of 22◦C. Find the final temperature. The specific heat of copper is 387 J/kg · ◦C and

asked Feb 28, 2022

1 answer

1 vote

39.3k views

What was the ruling in Gibbons v. Ogden?

asked Feb 24, 2022

1 answer

14 votes

88.2k views

What does the theory of evolution tell us about how organisms adapt to their environment over time? (4 points) a Natural selection occurs before changes in the environment. b A population changes in response

asked Sep 23, 2021

2 answers

2 votes

144k views

Plz help due today! A student measured the product of a reaction and found that it was 12.7 ml. The theoretical yield was calculated to be 11.5ml. What is the percent error?

asked Aug 18, 2021

1 answer

4 votes

107k views

Define political machine 7 word or less

asked Aug 6, 2021

1 answer

4 votes

110k views

3x + 2y = 7 6x + 4y = 14

asked Jun 16, 2021

1 answer

2 votes

206k views

Chlorine has two stable isotopes, 35Cl and 37Cl. Chlorine gas which consists of singly ionized ions is to be separated into its isotopic components using a mass spectrometer. The magnetic field strength

asked Jun 2, 2021

1 answer

1 vote

187k views

!!!!!!Plz help!!!!! Which of the below choices was a main advantage for Sparta heading into the war? A. Army B. Navy C. Siege Weapons D. Had the Gods on their side

asked Jan 28, 2021

1 answer

5 votes

214k views

8% of items in a shipment are known to be defective. If a sample of 5 items is randomly selected from this shipment, what is the probability that at least one defective item will be observed in this sample?

asked Dec 14, 2020

1 answer

4 votes

170k views

Martin's unpaid credit card balance was $1539.39. his APR is 13.2%. what is his new balance after he makes one new transaction for $178 $1486.48 $1556.32 $1734.32 $1920.59

asked Aug 3, 2019

1 answer

1 vote

124k views

The Declaration of Sentiments of 1848 was modeled after which of the following? the Declaration of Independence the US Constitution the Declaration of Principles the Bill of Rights

asked Jul 3, 2019

2 answers

0 votes

120k views

Is 3x+2y=6 and y=-3/2x+5 is parallel perpendicular or neither

asked Feb 1, 2019

1 answer

1 vote

166k views

The following formula models the number of prison inmates, P, in thousands, who are in U.S prisons x years after 1980. P=2x^2+22x+318 Find the first year in which the population of U.S. prisons was approximately

asked Dec 16, 2018

1 answer

2 votes

68.6k views

The first home video game product built on a microprocessor was a home version of the popular coin-operated pong game from ________________'s atari.

asked Oct 20, 2018

1 answer

4 votes

223k views

What is the measure of ∠M? A. 188° B. 116° C. 94° D. 86°

asked May 1, 2018

2 answers

5 votes

34.2k views

A circle with a diameter of 4.75 inches has an approximate circumference

asked Apr 7, 2018

1 answer

2 votes

187k views

A three sided regular polygon is called equilateral. TRUE or FALSE

asked Jan 20, 2017

1 answer

5 votes

219k views

Which reaction is most likely catabolic? A) A + B ---> C + energy B) A + B + energy ---> C C) A + energy ---> B + C D) A ---> B + C + energy

asked Mar 5, 2016

2 answers

0 votes

202k views

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