PLEASE help

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

Questions

The following questions were asked by visitors named PLEASE help.

Which of the answer choices correctly defines reaction rate? the amount of reactants used in a specific type of reaction the amount of products produced in a specific type of reaction the speed at which reactants change to products over a given time the s...

Examine the scenario. Chemical Reaction A and Chemical Reaction B involve the same two reactants. Chemical Reaction A is performed in a hot container, while Chemical Reaction B is performed in a cold container. Which of the answer choices correctly descri...

Is it important for archaeological sites to be protected from development once they are discovered?

CaCl2(aq)+ NaHCO3(aq) =CO2(g)+ CaCO3(aq)+ NaCl(aq) +H2O(l) could some one explain to me how to balance the equation? please

CaCl2(aq) + 2NaHCO3(aq) = CO2(g) + CaCO3(aq) + 2NaCl(aq) + H2O(l) what kind of chemical reaction is this? Please help me

What is a chemical property of dihydrogen monoxide? please help

what is a chemical property of calcium chloride?

When you mix baking soda with vinegar is the reaction endothermic or exothermic?

Where does radioactivity come from? physical changes in atoms the nuclei of unstable isotopes chemical reaction the breaking of chemical bonds please help

Which way of dissolving does NOT change the chemical identity of the solute? disintegration dissociation ionization dispersion is it a?

Which answer choice correctly explains the role of the kinetic theory of matter in the process of solutes being dissolved into solvents? The continuous motion of the particles in the solvent and solute cause them to collide with one another, which results...

Read the scenario. A scientist needs to dissolve a solid in a liquid as quickly and efficiently as possible. Which two methods should she use to get the desired result? heat the solution and use larger chunks of the substance heat and stir the solution co...

Which of the following solvents would most effectively dissolve a nonpolar gas like methane? a polar solvent at 10°C a polar solvent at 35°C a nonpolar solvent at 35°C a nonpolar solvent at 10°C is it a?

What types of compounds are involved in solutions that are used to grow crystals?

How does the saturation of a solution affect crystal formation?

Of the following options, which best describes what can be found on the back of a credit card? date the account was opened magnet strip expiration date card holders name is it a?

Which of the following best describes an overdraft fee? removing money from an account, typically for payment percentage charged for the use of borrowed money the amount of money a consumer is allowed to spend on their credit card a fee charged when an ac...

Read the scenario. Hydrogen chloride (HCl) and potassium hydroxide (NaOH) react. What products are formed from this reaction?

Examine the false statement. Weak acids always have a high pH. Select the rewording that makes the statement true strong acids always have a high pH weak acids always partially dissociate strong acids always have a low pH weak acids always fully dissociat...

Examine the statement. Substances dissolve through three processes: I. ionization II. dissociation III. dispersion Which of the answer choices correctly lists the dissolving processes that change the identity of a substance? I and II II and III I,II and I...

Which of the solvents will be most effective at dissolving a nonpolar gas like methane? water, a polar solvent solid mercury hexane, a nonpolar solvent solid copper is it a?

When you are creating a savings account, how much is recommended that you set aside for your savings? 25% 10% 12% 15% is it b

Which filing status option(s) may be appropriate for someone who was divorced on the last day of the year and has no dependents? single married filling separately qualifying widow(er) with dependent child head of household is it a?

Which options best describe examples of items that may be used to reduce the amount of your taxable income? (Select all that may apply). tax credits tax deduction interest income exemption Is it a and b

Examine the information. Isotope B has a half-life of 3 days. A scientist measures out 100 grams of this substance. After 6 days has passed, the scientist reexamines the sample. How much of Isotope B will remain in the sample? 100 grams 63 grams 94 grams...

Which of the answer choices correctly describes an action that will increase the solubility of a solid solute in water? cool the solution increase the pressure heat the solution decrease the pressure Examine the statement. The energy required to break the...

Which of the answer choices correctly predicts the charge that would be present on a magnesium (Mg) ion, as shown in the periodic table? 2+ 1+ 1- 2- is it a?

Answers

The following answers were posted by visitors named PLEASE help.

I remember reading something about nonpolar gases dissolving in colder temperatures

there is no text

Filing Statuses When you are ready to file your taxes, you will need to first know which of the five filing status to use. Your status is determined by your marital status as of the last day of the tax year. Single Not married Divorced Legally separated (...

I know its not b or c. So it has to be a or d.

its not b because that was the first one I chose and it was wrong. its not c because it has a dependent child. its not a because you said that was wrong

I did read it. The only answer left is b and that is wrong.

because I took the quiz the first time and b was wrong.

that's ok thank you

I think the first one is C and the second one B

I mean first one c and the second one c

was the first answer for question 2 wrong as well

so is it right?