ok so I got with my boyfriend about 3 weeks after Halloween, everything was going great although I always was kind of worried that it was only good because we hadn’t dated very long before deciding to get together, we dated for like a month until he asked me to be his gf, I said yes of course...
(to the bashers: Fuck off!!! and only answer if you have something positive to say. thanks. )
1.
What type of reaction does this graph represent?
A.Precipitation
B.Endothermic
C.Exothermic
D.Combustion
2.
Was energy absorbed or released in this reaction?
A.Absorbed
B.Released
C.Energy was...
1.The equation solid carbon + oxygen gas à carbon dioxide gas + energy represents a chemical reaction. The best chemical equation for this reaction would be
A.C(s) + O(g) à CO(g) + energy.
B.CO2 + energy.
C.C(s) + O2(g) à CO2.
D.C(s) + O2(g) à CO2(g) + energy.
2.The state of matter for a...
I have a Chemistry project in my Chem class, and I'm allowed to do it on any interesting chemistry related topics. When I say interesting I don't mean medicine, and whatnot..
For my physics project I'm doing it on time travel. So I was looking for a topic as interesting as that. (But not the...
labeling elements and molecules? i have to do this project for chemistry involving to write a 3 page essay on a food label (cereal) and stating whether the elements or vitamins on it are molecular,ionic, or acids. the cereal i choose was cinnamon toast crunch. im just asking for a way to start...
This is my first one and im kind of reluctant about what to add. This is for a flame test lab, any advice or guidance would help
Chemists of the eighteenth and nineteenth centuries, like Robert Wilhelm Bunsen, helped develop the first flame tests, which are used to identify the colors of...
One of my friends has a project in chemistry in which she must liken various aspects of chemistry to cooking. She is almost done the assignment, but still needs one analogy: she needs to describe how a double replacement reaction is like cooking (basically how it is anything like a chef would do...
If you're like most people, you probably think chemistry is too difficult to bother with outside of school and too clinical to be any fun. But chemistry offers a magic and elegance to behold: from the fascination of fall foliage and fireworks to the fundamentals of digestion (as when good pizza...
Concentrated sulfuric acid (18.3 M) has a density of 1.84 g/mL.
What is the mass % of H2SO4 in the solution?
a. 97.5%
b. 98.6%
c. 9.8%
d. 34.3%
e. 33.0%
Please don't lecture me about doing my own work. This problem will not be checked or graded, I just need help learning the process of how to do it. Thanks!
There are two containers of liquid. One container is 75 g with a density of 3.00 g/mL. The second container is 50mL with a density of 2.00...
few hints to help? The problem for my lab is: When sodium hydroxide, ammonia, and sodium carbonate react with Copper Sulfate is mass created or destroyed? I just need some help writing the introduction of my lab report, so any hints would be fine. Thanks so much.
fireworks? Fire works have been used for centuries to entertain people at celebrations, like the United States holiday, Fourth of July. They light up the sky with a boom, intriguing the crowd of people. In order to create such fine explosions, chemistry is used in divine ways. The chemical...