PleaseHelp

This page lists questions and answers that were posted by visitors named PleaseHelp.

Questions

The following questions were asked by visitors named PleaseHelp.

The decomposition of potassium chlorite yields oxygen gas and potassium chloride. If the yield is 95%, how many grams of KClO3 are needed to produce10.0 L of O2?
13 years ago
What did you observe after the addition of dilute HCl to the saturated lead chloride solution? Explain observations using relevant chemical reaction. I observed that a white precipitate was formed. Not sure how to explain why it formed
11 years ago
Find the quotient and remainder 7x^6-2x^4+x^2+2 divided by x-2
11 years ago
calculate the vapor pressure of a solution made by dissolving 61.7g (molar mass= 60.06g/mol) of Urea in 212ml of water at 35C. what is the vapor pressure lowering? the vapor pressure of water at 35c =31.82 mmHg
11 years ago
How many total blocks would be needed to build the model for the given base plan? [2] [1] [3] [1] [2] [2] a) 5 b) 11 c) 6 d) 12
10 years ago
which of the following is an achievement of an ancient egyptians? A. They carved laws in stone pillars to address criminal acts. B. They were the earliest civilization to farm. C. They were the first multicultural empire. D. They used hieroglyphs writing...
9 years ago
8. Which of the following idenetifies important advances in learning made by ancient Egyptians? (1 point) A.hieroglyphs, knowledge of the human body, and geometry B. Cuneiform, advanced farming techniques, and pyramids C. Knowledge of surgery, creation of...
9 years ago
What inequality those this graph show: file:///C:/Users/751017272/Desktop/y%20ilt%202x%20plus%202.png (Copy and paste it) Can you show me how you get your answer also?
9 years ago
When a 37.00 g silver spoon, initially at room temperature, is placed into 250.0mL of 90.00oC tea, it reaches a temperature of 85.00°C. The spoon will have gained ? J of thermal energy. I got 5237.5 Joules as (mass)x(specific heat capacity)x(Temperature c...
8 years ago

Answers

The following answers were posted by visitors named PleaseHelp.