Questions by Bart Platak

Questions by Bart Platak

The second-order reaction 2 Mn(CO)5 → Mn2(CO)10, has a rate constant equal to 3.0 × 109 M-1 s-1 at 25°C. If the initial concentration of Mn(CO)5 is 2.0 × 10-5 M, how long will it take for 90.% of the reactant

asked Jan 1, 2021

1 answer

4 votes

226k views

a person on Mars only weighs 38% of their weight on Earth if Carla weighs 78 pounds on Earth how much would you weigh on Mars to the nearest pound

asked Sep 21, 2020

2 answers

0 votes

39.3k views

To get off a frozen lake, a 70 kg person removes his shoe of mass 0.175 kg and throws it horizontally away from the shore at a velocity of 3.2 m/s. If the person is 5.15 m from the shore, how long do they

asked Sep 4, 2020

1 answer

0 votes

73.1k views

BH+ClO4- is a salt formed from the base B (Kb = 1.00e-4) and perchloric acid. It dissociates into BH+, a weak acid, and ClO4-, which is neither an acid nor a base. Find the pH of 0.100 M BH+ClO4-.

asked Aug 17, 2020

1 answer

3 votes

110k views

Which of the following are the Constitutional requirements for being president? Question 9 options: at least 40 years old; native-born citizen; lived in U.S. 10 years at least 35 years old; naturalized

asked Jul 20, 2020

1 answer

5 votes

88.2k views

How many focal points does a lens have?

asked May 3, 2020

1 answer

1 vote

104k views

The only phlebotomist on duty one evening receives orders to collect a STAT hemoglobin and hematocrit in the ER, STAT blood cultures on another ER patient, and STAT glucose in the ICU. Which STAT specimen

asked Mar 28, 2020

2 answers

1 vote

153k views

A balloon filled with air has a volume of 4.24 liters at 23.00° c. If the balloon is cooled at constant pressure to 5.00°C, what is its new volume?

asked Feb 10, 2019

2 answers

5 votes

58.7k views

Please help me with this question

asked Jan 18, 2019

1 answer

2 votes

162k views

What is 4x+13=(-8)-3x

asked Sep 25, 2018

2 answers

1 vote

117k views

How long does stop motion animation take?

asked Jun 26, 2018

1 answer

5 votes

119k views

How did the u.s. government policy of internment affect thousands of japanese americans on the west coast of the united states?

asked Apr 13, 2018

1 answer

1 vote

93.3k views

Considering the ending of the short story "Was It a Dream?" what is the author saying about love? Do you think he is right or wrong? In one to two paragraphs, explain your answer.

asked Feb 21, 2018

2 answers

3 votes

127k views

Solve the inequality. –8 ≤ 2x – 4 < 4 A. –2 ≤ x < 0 B. –6 ≤ x < –2 C. –2 ≤ x < 4 D. 0 ≤ x < 6

asked Sep 16, 2017

1 answer

5 votes

79.3k views

What is elasticity of demand?

asked Aug 2, 2017

2 answers

2 votes

56.8k views

What direction would you travel to go from Seoul to Shanghai

asked Apr 6, 2016

1 answer

1 vote

154k views

What is sea water blown towards the coast due to strong winds?

asked Nov 25, 2015

1 answer

3 votes

85.7k views

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