Login
Premium
Home Question Bank Chemistry

Chemistry Homework Help

Chemistry is the study of matter and its interactions, from atomic structure to chemical reactions. As such, it provides us with insight into our environment while simult... Load more Hide more

error msg
All Mathematics Physics Chemistry Biology History Geography Economics English Everyday Arts Computer Technology Medicine Social Sciences Humanities Engineering Other

Questions

Popular Latest
2. Complete and balance each of the following molecular equations (in aqueous solution). Then, for each, write the net ionic equation. Identify any spectator ions for each. \( \begin{array}{ll}\text { a. } \mathrm{NaOH}+\mathrm{HClO} \rightarrow & \text { e. } \mathrm{Al}(\mathrm{OH})_{3}+\mathrm{H}_{3} \mathrm{PO}_{4} \rightarrow \\ \text { b. } \mathrm{HCl}+\mathrm{Ba}(\mathrm{OH})_{2} \rightarrow & \text { f. } \mathrm{HBr}+\mathrm{Sr}(\mathrm{OH})_{2} \rightarrow \\ \text { c. } \mathrm{HC}_{2} \mathrm{H}_{3} \mathrm{O}_{2}+\mathrm{Ca}(\mathrm{OH})_{2} \rightarrow & \text { g. } \mathrm{Ba}(\mathrm{OH})_{2}+\mathrm{HC}_{2} \mathrm{H}_{3} \mathrm{O}_{2} \rightarrow \\ \text { d. } \mathrm{NH}_{3}+\mathrm{HNO}_{2} \rightarrow & \text { h. } \mathrm{HNO}+\mathrm{Ca}(\mathrm{OH})_{2} \rightarrow\end{array} \)
United States Jan 21, 2025
b. \( \mathrm{CaSO}_{4} \) 5 a. Calculate the percentage of each element in acetic acid, \( \mathrm{HC}_{2} \mathrm{H}_{3} \mathrm{O}_{2} \), and glucose, \( \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6} \). b. These two substances have the same empirical formula. What would you expect the percentage composition of the empirical formula to be?
United States Jan 21, 2025
Write the names of the following ionic compounds: 11) KI \( \qquad \) 12) \( \mathrm{Mn}_{2}\left(\mathrm{SO}_{3}\right)_{7} \) \( \qquad \) 13) \( \mathrm{SnBr}_{4} \) \( \qquad \) 14) \( \mathrm{Mg}_{3} \mathrm{P}_{2} \) \( \qquad \) 15) NaF \( \qquad \) 16) \( \mathrm{Sr}\left(\mathrm{MnO}_{4}\right)_{2} \) \( \qquad \) 17) \( \mathrm{Cr}\left(\mathrm{PO}_{4}\right)_{2} \) \( \qquad \) 18) \( \quad \mathrm{Al}_{2} \mathrm{Se}_{3} \) \( \qquad \) 19) \( \mathrm{U}_{3}\left(\mathrm{PO}_{4}\right)_{5} \) \( \qquad \) 20) \( \quad \mathrm{Ag}_{2} \mathrm{Se} \) \( \qquad \)
United States Jan 21, 2025
2. Complete and balance each of the following molecular equations (in aqueous solution). Then, for each, write the net ionic equation. Identify any spectator ions for each. \( \begin{array}{ll}\text { a. } \mathrm{NaOH}+\mathrm{HClO}_{4} \rightarrow & \text { e. } \mathrm{Al}(\mathrm{OH})_{3}+\mathrm{H}_{3} \mathrm{PO}_{4} \rightarrow \\ \text { b. } \mathrm{HCl}+\mathrm{Ba}(\mathrm{OH})_{2} \rightarrow & \text { f. } \mathrm{HBr}+\mathrm{Sr}(\mathrm{OH})_{2} \rightarrow \\ \text { c. } \mathrm{HC}_{2} \mathrm{H}_{3} \mathrm{O}_{2}+\mathrm{Ca}(\mathrm{OH})_{2} \rightarrow & \text { g. } \mathrm{Ba}(\mathrm{OH})_{2}+\mathrm{HC}_{2} \mathrm{H}_{3} \mathrm{O}_{2} \rightarrow \\ \text { d. } \mathrm{NH}_{3}+\mathrm{HNO}_{2} \rightarrow & \text { h. } \mathrm{HNO}_{3}+\mathrm{Ca}(\mathrm{OH})_{2} \rightarrow\end{array} \)
United States Jan 21, 2025
\( \begin{array}{ll}\text { 4. Calculate the percentage compos }(\mathrm{CN})_{2} \\ \text { a. } \mathrm{SrBr}_{2} & \text { c. } \mathrm{Mg}(\mathrm{CH})_{2} \\ \text { b. } \mathrm{CaSO}_{4} & \text { d. } \mathrm{Pb}\left(\mathrm{CH}_{3} \mathrm{COO}\right)_{2}\end{array} \)
United States Jan 21, 2025
21. Установите соответствие межлу названием соли и отнонением ее к гилролизу: к кажлой позииия. АЗВАННЕ СОЛИ ) сульфид алоктвнияя нитрат калня ацетат натрия сульфат меди (II) ОТНОIIEHИE К НДРОЛИЗУ 1) пе тирролизуетея 2) тидролизуетея но катиону 3) гндолнзуетея по аниону 4) гидролизуетея но катиону и аниону Установите соответствие между формулой соли и средой её водного раствора: к кажлой позиции, означснной буквой, подберите соответствующую позицию, обозначенную цифрой. РМУЛА СОЛПИ \( \mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2} \) \( \mathrm{K}_{2} \mathrm{~S} \) LiCl \( \mathrm{Na}_{2} \mathrm{SO}_{3} \) СРЕДА РАСТВОРА 1) нейтральная 2) кислая 3) шелочная Установите соответствие между формулой соли и отношением её к гидролизу: к каждой позиции, бозначенной буквой, подберите соответствующую позицию, обозначенную цифрой. DОРМУЛА СОЛИ 4) \( \mathrm{BaBr}_{2} \) 5) \( \mathrm{CuCO}_{3} \) ) \( \mathrm{Pb}\left(\mathrm{NO}_{3}\right)_{2} \) \( \mathrm{Ca}\left(\mathrm{CH}_{3} \mathrm{COO}\right)_{2} \) ОТНОШЕНИЕ К ГИДРОЛИЗУ 1) но катиону 2) по аниону 3) по катиону и аниону 4) гидролизу не подвергается 4. Установите соответствие между названием соли и способностью ее к гидролизу: к каждой озиции, обозначенной буквой, подберите соответствующую позицию, обозначенную цифрой. АЗВАНИЕ СОЛИ ) ачетат натрия иодид кальция сульфид алюминия карбонат калия СПОСОБНОСТь К ГИДРОЛИЗУ 1) гидролизу не подвергается 2) гидролиз по катиону 3) гидролиз по аниону 4) гидролиз по катиону и аниону Установите соответствие между названием соли и отношением её к гидролизу: к каждой позиции, означенной буквой, подберите соответствующую позицию, обозначенную шинпой
Russia Jan 21, 2025
Complete and balance each of the following molecular equations (in aqueous solution). Then, for each, write the net ionic equation. Identify any spectator ions for each. \( \begin{array}{ll}\text { a. } \mathrm{NaOH}+\mathrm{HClO}\end{array} \) \( \begin{array}{ll}\text { b. } \mathrm{HCl}+\mathrm{Ba}(\mathrm{OH})_{2} \rightarrow & \text { e. } \mathrm{Al}(\mathrm{OH})_{3}+\mathrm{H}_{3} \mathrm{PO}_{4} \rightarrow \\ \text { c. } \mathrm{HC}_{2} \mathrm{H}_{3} \mathrm{O}_{2}+\mathrm{Ca}(\mathrm{OH})_{2} \rightarrow & \text { f. } \mathrm{HBr}+\mathrm{Sr}(\mathrm{OH})_{2} \rightarrow \\ \text { d. } \mathrm{NH}_{3}+\mathrm{HNO}_{2} \rightarrow & \text { g. } \mathrm{Ba}(\mathrm{OH})_{2}+\mathrm{HC}_{2} \mathrm{H}_{3} \mathrm{O}_{2} \rightarrow \\ \text { h. } \mathrm{HNO}+\mathrm{Ca}(\mathrm{OH})_{2} \rightarrow\end{array} \)
United States Jan 21, 2025
Even More Naming lonic Compounds Write the formulas of the following ionic compounds: 1) iron (II) arsenide \( \qquad \) 2) lead (II) sulfate \( \qquad \) 3) lead (IV) hydroxide \( \qquad \) 4) copper (II) acetate \( \qquad \) 5) beryllium chloride \( \qquad \) 6) ammonium chromate \( \qquad \) 7) silver oxide \( \qquad \) 8) potassium sulfide \( \qquad \) 9) vanadium (V) percolate \( \qquad \) 10) zinc phosphate \( \qquad \)
United States Jan 21, 2025
Even More Naming Ionic Write the formulas of the following ionic comp \( \begin{array}{l}\text { 1) } \\ \text { 2) } \\ \text { 3) } \\ \text { 4) } \\ \text { 5) lead (II) sulfate (IV) hydroxide } \\ \text { 6) } \\ \text { 7) }\end{array} \) copper (II) acetate beryllium chloride
United States Jan 21, 2025
Calculate the percentage of both elements in sulfur dioxide. Calculate the percentage composition of ammonium nitrate, \( \mathrm{NH}_{4} \mathrm{NO}_{\text {O }} \)
United States Jan 21, 2025
View Chemistry Q&A Archive by Date
Prev 1
...
8 9 10 11 12
...
99 Next
1
...
8 9 10 11 12
...
99
Prev Next

Expand Your Learning Across Subjects

Unlock resources in diverse subjects to deepen your knowledge and enhance your expertise across different academic disciplines.

Mathematics
Physics
Biology
History
Geography
Economics
English
Everyday
Arts
Computer Technology
Medicine
Social Sciences
Humanities
Engineering
Other

The World of Chemistry: Molecules, Reactions, and More

What is Chemistry?

Chemistry is the study of matter, its properties, and changes it undergoes. Like an invisible force at work behind-the-scenes, chemistry explains how everything interacts in our world - from air we breathe to food we consume. From mixing ingredients for recipes to discovering new medicines - chemistry provides all this power! Chemistry encompasses both qualitative aspects (such as how substances behave) as well as quantitative measurements ( such as how much substance is involved in reactions). Every aspect of everyday life we encounter contains chemical components! Everything around us contains chemicals - even our skin!

What is the Chemistry Definition of a Molecule?

A molecule is a group of two or more atoms bonded together in a specific way. Imagine them like tiny, super-organized building blocks that make up substances. Each molecule has unique properties based on how its atoms are connected. For example, a water molecule (H₂O) is made of two hydrogen atoms and one oxygen atom. Molecules can range from something as simple as O₂ (oxygen) to something complex like DNA, and they’re the foundation of how substances behave. It’s like chemistry’s version of a puzzle where each piece (atom) fits together to create something new!

What is the Chemistry Definition of Salt?

Salt in chemistry refers to any compound composed of positively charged ions (cations) and negatively charged ions (anions), held together through electrostatic forces known as ionic bonds. You might recognize table salt (NaCl), but salt can refer to much more. When dissolving in water, its ions break apart, becoming conductivity! Salts play an integral part in both nature and industry - helping form everything from minerals to chemicals used daily in products we rely on!

How Can UpStudy Chemistry Homework Bank Help You?

We have your back at Up Study Chemistry Homework Bank! Like you, our question bank gets actual assignment questions from kids. You will thus have access to a collection of questions, answers, and explanations grounded on actual classroom experience. Our bank provides a special approach to study and become better whether your difficulties grasp molecular bonds, salt generation, or how to balance chemical equations. Detailed responses and concise explanations can help you to be ready for exams, examinations, or homework assignments. Having a chemical instructor right at your fingers—ready to assist anytime you need it—is like having!
Study can be a real struggle
Why not UpStudy it?
Select your plan below
Premium

You can enjoy

Start now
  • Step-by-step explanations
  • 24/7 expert live tutors
  • Unlimited number of questions
  • No interruptions
  • Full access to Answer and Solution
  • Full Access to PDF Chat, UpStudy Chat, Browsing Chat
Basic

Totally free but limited

  • Limited Solution
Welcome to UpStudy!
Please sign in to continue the Thoth AI Chat journey
Continue with Email
Or continue with
By clicking “Sign in”, you agree to our Terms of Use & Privacy Policy