Recent activity by Jjn

Recent activity by Jjn

Consider the following reaction. heat 2 Fe₂O3(s) + 3 C(s)→ 4 Fe(s) + 3 CO₂(g) Calculate the number of grams of Fe₂O3 needed to react with 13.0 g C.

asked Nov 24, 2023

1 answer 107k views

Neuroplasticity refers to? 1-The brain is made of plastic 2-The brain's ability to change it's shape 3-The brain's rigidness 4-The brain's ability to for new brain cells and make new connections throughout

answered Oct 6, 2023

2 answers 228k views

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asked Sep 28, 2023

1 answer 182k views

No _______ inglés en esta clase. (Don't speak English in this class.) hablas hables hablar hablan

asked Sep 15, 2023

2 answers 33.5k views

How many solutions does this system have? y=7x+8 y=7x-8 A. Exactly one solution B. No Solutions C. Infinitely Many Solutions

answered Apr 28, 2023

1 answer 41.7k views

A stone is thrown vertically up from the ground. It reaches a maximum height of 150 m in 5 seconds. Determine the velocity with which the stone is thrown upward.

asked Mar 25, 2023

1 answer 81.6k views

By what year did the entire Indian subcontinent come under British rule? A. 1870 B. 1776 C. 1750 D. 1800

asked Mar 19, 2023

1 answer 117k views

PRYZ is a rhombus. If RK = 5, RY = 13 and YRZ =67, find each measure.

asked Mar 5, 2023

1 answer 190k views

The diameter of a quarter is about 1 in. You trace around the edge of the quarter on a sheet of paper. What is the area of the circle on the paper? Use 3.14 as an approximation for π. Round your answer

asked Feb 26, 2023

1 answer 3.6k views

Show the following The unit of power is a derived unit

answered Dec 17, 2022

2 answers 198k views

• LIVE Henry found his mass on a metric scale. What could Henry's mass be? O A. 26 kg a B. 2,600 kg O C. 8g 0 D. 600 g

asked Dec 12, 2022

1 answer 195k views

If the world’s population keeps on growing, what might some consequences be for planet Earth? Name at least 3.

answered Nov 10, 2022

1 answer 234k views

Beth and Mark would like to put some savings in the bank. They most likely will not need this money for 4 years, so Beth wants to put it in a four-year CD. Mark wants to put the money in a passbook savings

answered Nov 3, 2022

2 answers 136k views

Solve 25- (6-) A. -31 B-20 C.20 D. 31

answered Sep 21, 2022

2 answers 234k views

Is the equation conditional, an identity, or a contradiction? y - 11 + 3y = 6y + 4

asked Aug 26, 2022

1 answer 145k views

At midnight, the temperature was 43.7°F. In the morning, the temperature was −3.6°F. Which statement describes the temperature?

answered Aug 18, 2022

1 answer 212k views

20 points!! Baldomero’s solution to an equation is show below

asked Jul 15, 2022

1 answer 58.3k views

iodid ion is oxidized to hypoiodite ion by permanganate what is the ratio of hydroxide ions to iodide ions in balanced equation

asked Jun 24, 2022

1 answer 174k views

Who is a scientist? A. A person who likes to ask questions. B. A person who likes to find answers to questions. C. A person who works with chemicals. D. All of the above.

answered May 22, 2022

2 answers 37.5k views

Find the midpoint between the two points: (-7, 9) and (5, -1). (4,5) (3, 4) (-1,4) (5,5)

answered May 8, 2022

1 answer 196k views

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