Chemistry
 👍 0
 👎 0
 👁 506

 👍 0
 👎 0

 👍 0
 👎 0
Respond to this Question
Similar Questions

Chemistry
Part A Calculate the standard enthalpy change for the reaction 2A+B >2C +2D Use the following data: Substance Delta H(kJ/mol) A 263 B 391 C +203 D 523 Express your answer in kilojoules. MY ANSWER FOR PART A: Delta H =277 kJ
asked by tina on June 16, 2011 
Math (Physics)
Problem: An excited hydrogen atom could, in principle, have a radius of 2.50 mm . ________ Part A: What would be the value of n for a Bohr orbit of this size? Answer> n= 6.87×103 _______ Part B What would its energy be?
asked by Dom on April 25, 2017 
intro to physics
an athlete executing a long jump leaves the ground at a 28 degree angle and lands 7.6 m away. part a )what was the takeoff speed ? part b) if this speed were increased by just 8.0% , how much longer would the jump be ? for part a)
asked by emilia on April 21, 2012 
Physics Interference & Diffraction
Given Information: Light of wavelength 631 nm passes through a diffraction grating having 485 lines/mm. Part A: What is the total number of bright spots (indicating complete constructive interference) that will occur on a large
asked by Christina on April 11, 2008

math
0 of 1 Tosha is trying to find the solution(s) to the system {f(x)=x3−3x2+2g(x)=−x2+x. After analyzing the graph of the functions, Tosha comes up with the following list of ordered pairs as possible solutions: (−1,−2),
asked by Lost on December 8, 2019 
chemistry
Write a balanced equation for the neutralization of each of the following. Express your answer as a chemical equation. Identify all of the phases in your answer. Part A: H3PO4(aq) and NaOH(aq) Part B: Hl(aq) and LiOH(aq) Part C:
asked by Lisa on April 1, 2012 
physics
You shoot an arrow into the air. Two seconds later (2.00 s) the arrow has gone straight upward to a height of 30.0 m above its launch point part A:What was the arrow's initial speed?part B:How long did it take for the arrow to
asked by ana22 on February 11, 2017 
physics
A vector has the components Ax=−37m and Ay=44m. Part A What is the magnitude of this vector? Express your answer to two significant figures and include appropriate units. the answer for part A is help me with b pls 57 m Part B
asked by sintia on February 13, 2017

Physics
The intensity of sunlight reaching the earth is 1360 W/m^2 Part A: Assuming all the sunlight is absorbed, what is the radiationpressure force on the earth? Give your answer in newtons. Part B: Give your answer as a percentage of
asked by Jill on April 24, 2008 
chemistry
In part B of my question, I was asked calculate the number of atoms in 0.615 mol of 13C (mass number of this Carbon is 13). I received the correct answer of 3.70E23 atoms. However, I do not know how to do Part C of my question,
asked by Kevin on September 16, 2012 
math
find the next number in the following sequence; 1/2,2/3,3/5,5/8, _ *please i need your assistance guys for this question* My idea is as follows denominator part for the given fraction =1+2 =3 then 2+3 =5, 3+5=8,therefore the next
asked by kelvin on July 2, 2017 
MathForecasting Statistics
The following data is a sample of daily maximum temperatures in New York in March (from 20062008). a. Calculate the mean (1 decimal place) and standard deviation (2 decimal places) of this data. You may use technology to answer
asked by Leora K on July 24, 2018
You can view more similar questions or ask a new question.