cara

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

Questions

The following questions were asked by visitors named cara.

ok it goes 15/m+3 = 5/m how do i do that

I did a hydrate lab in school and these were my results and at the end we have to write the correc formula for the hydrate but I know the answer at the end is supposed to be 5H2O so why do I keep getting 4H2O? Can someone double check my work Mass of evap...

which of the following is least related to the others: a. launching of sputnik b. Landrum-Griffith act c. national defense education act d. the "missile gap" e. NASA I don't know if its b, c, or d

the average pH of healthy human blood is 7.4. how many moles of H+ ions are free in your blood. The average person has approx. 5 L of blood.

I asked this question earlier that drbob explained but i still do not really understand what to do. can you please make it clearer? the average pH of healthy human blood is 7.4. how many moles of H+ ions are free in your blood. The average person has appr...

what US intelligence agency did johnson illegally authorize to spy on domestic dissenters

which verb tense is this elles aient tort

An object dropped from restfrom the top of a tall building falls y=16t^2 feet in the first t seconds. Find the speed of the object at t=3 seconds and confirmalgebraically. The answer is 96 feet/sec but how do i figure it out? cans omeone show me steps? th...

how would I do this limit?(by the way -> is an arrow( lim x-> 0 (5x^3+8x^2)/ (3x^4 - 16x^2)

how do I solve this limit (-> is an arrow meaning "heading towards" lim x-> 2 (x-6)^(2/3)

how does a glacier turn into a lake? does it just melt?

why do you think the deer population was only 4,00 in 1905 when the carrying capacity of the rangeland could support 30,000 deer or more. I don't understand why a population could be so far below the carrying capacity.

compare and contrast deer population growth to human population growth in terms of a. predation and competition and b. speed of population response. I don't understand predation in terms of human population growth (can someone explain please)? I do not un...

mosquito larvae can tolerate extremely low dissolved oxygen concentrations, yet cannot survive at temperatures above 25 degrees celcius. how might you aaccoundt for dissolved oxygen concentrations of such a low value at a temperature of 25 degree celcius?...

I got these results from my dissolved oxygen lab: Temperature Dissolved Oxygen in Celcius (mg/L) 17 5.8 21 5.4 23 5.3 27 5.1 I understand that as the temperature increases the dissolved oxygen concentration decreases but i don't understand how to answer t...

I posted this before but i realized i posted somethings that were wrong. mosquito larvae can tolerate extremely low dissolved oxygen concentrations, yet cannot survive at temperatures above 25 degrees celcius. how might you account for dissolved oxygen co...

how do i do this problem? find the average rate of change over each interval. 1. f(x)= x^3 + 1 a. [2,3]

I need help with these two questions. Just take out the spaces in this link: h t t p: / /tinypic. c o m/r/nf4fp3/3

what are the lens called to locate a specimen on a microscope?

what is the lish region that formed a great arc from the eastern shore of the Mediterranean Sea to the Persian Gulf?

which of the following is least like the other? poem novel painting statue flower

Who Is the Portuguese nobleman who encouraged exploration and the science of navigation?

what is the function on health insurance? What is the functions of disability insurance? whatis the functions of life insurance?

The following data are obtained for the decomposition of N2O5 at a certain temperature: 2N2O5(g)↔4NO2(g) + O2(g) Time(s) 0 200 400 600 800 N2O5 (atm) 2.10 1.85 1.63 1.43 1.26 Find the rate constant kobs for this first-order decomposition reaction in sec-1...

where is the mississippi?

A teenager pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 12 in 9.0 . Assume the merry-go-round is a uniform disk of radius 2.2 and has a mass of 650 , and two children (each with a mass...

0.450mol of Na2S in 1.50L of solution

a chairman and vice-chairman are to be elected from 7 candidates.how many different results are possible ?

how many different flags can be made? if there are 5 colors,but the flag must have 3 bands of color

$799.99 with 40% off rounded to the nearest dollar

radius R of the orbit of a geosynchronous satellite that circles the earth. (Note that R is measured from the center of the earth, not the surface.) You may use the following constants: The universal gravitational constant G is 6.67×10−11N⋅m2/kg2. The mas...

how can i solve for x given this?? pls. show detailed solution..just can't figure it out.thanks in advance! 6cosx+3cos35cosx-3sin35sinX=7cosx

Describe the circumstances in which the following processes could be used to separate the components of a mixture. -sublimation -crystallization -evaporation of a solvent from a solution -dissolving of an impure substance in a solvent

How many liters of hydrogen will be produced when 3766 g of aluminum are combined with hydrobromic acid to make aluminum bromide?

Answers

The following answers were posted by visitors named cara.

Mass of evaporating dish: 35.88 g MAss of dish and hydrated chemical 39.46 g Calculated mass of hydrated chemical only 3.58 g Mass of dish and chemical after 1st heating 38.40 Mass of dish and chemical after 2nd heating 38.40 Mass of anhydrous chemical on...

Mass of water lost 3.58-2.52= 1.06 g % of hydrate the anhydrous chemical is 2.52/3.58= 70.39% Mollar mass of anhydrous copper (II) sulfate: 159.6 grams Molar mass of hydrated sopper (II) sulfate: 159.6/.7039 = 226.7 g Molar weight of water lost: 226.7-159...

Prefix: tetra formula for hydrate: CuSO4 4H20 WHERE DID I GO WRONG??? ITS really supposed to be 5H2O

why do i need to do that? I have to focus on events of the 1970s and 1980s

oh ok...thankyou

the climax community?

also what tense is il rigolait

by the way, i'm studying ecological succession

yes, that is what i meant but i don't understand why the dissolved oxygen concentration would be so low at such a low temperature?

I do not know how to figure out the first one at all. How would i find slope of thesecant. can someone show me step by step how to at least find one of the points?

Well...youre trying to find what F equals 1. do 0.4 divided by 2.4 2.take that answer and divide it by six !!!Then that's your answer!!!

But A stands for concentration..how would i obtain it from the data given?

whatis muttered

The one with the picture is shelves with a high pot in use

I believe its 0.9

why is everybody upset