Login or Sign Up

Ask a New Question

PLEASE help

Questions and answers by visitors named PLEASE help

Questions (27)

Which of the answer choices correctly defines reaction rate?the amount of reactants used in a specific type of reaction the
1. 4 answers
2. 765 views
Examine the scenario.Chemical Reaction A and Chemical Reaction B involve the same two reactants. Chemical Reaction A is
1. 4 answers
2. 2,965 views
Is it important for archaeological sites to be protected from development once they are discovered?
1. 1 answer
2. 333 views
CaCl2(aq)+ NaHCO3(aq) =CO2(g)+ CaCO3(aq)+ NaCl(aq) +H2O(l)could some one explain to me how to balance the equation? please
1. 4 answers
2. 2,751 views
CaCl2(aq) + 2NaHCO3(aq) = CO2(g) + CaCO3(aq) + 2NaCl(aq) + H2O(l)what kind of chemical reaction is this? Please help me
1. 4 answers
2. 1,452 views
What is a chemical property of dihydrogen monoxide?please help
1. 3 answers
2. 617 views
what is a chemical property of calcium chloride?
1. 3 answers
2. 455 views
When you mix baking soda with vinegar is the reaction endothermic or exothermic?
1. 3 answers
2. 693 views
Where does radioactivity come from?physical changes in atoms the nuclei of unstable isotopes chemical reaction the breaking of
1. 3 answers
2. 737 views
Which way of dissolving does NOT change the chemical identity of the solute?disintegration dissociation ionization dispersion is
1. 4 answers
2. 2,565 views
Which answer choice correctly explains the role of the kinetic theory of matter in the process of solutes being dissolved into
1. 4 answers
2. 2,077 views
Read the scenario.A scientist needs to dissolve a solid in a liquid as quickly and efficiently as possible. Which two methods
1. 2 answers
2. 535 views
Which of the following solvents would most effectively dissolve a nonpolar gas like methane?a polar solvent at 10°C a polar
1. 6 answers
2. 1,070 views
What types of compounds are involved in solutions that are used to grow crystals?
1. 3 answers
2. 1,399 views
How does the saturation of a solution affect crystal formation?
1. 3 answers
2. 1,706 views
Of the following options, which best describes what can be found on the back of a credit card?date the account was opened magnet
1. 6 answers
2. 986 views
Which of the following best describes an overdraft fee? removing money from an account, typically for payment percentage
1. 4 answers
2. 838 views
Read the scenario.Hydrogen chloride (HCl) and potassium hydroxide (NaOH) react. What products are formed from this reaction?
1. 4 answers
2. 681 views
Examine the false statement.Weak acids always have a high pH. Select the rewording that makes the statement true strong acids
1. 4 answers
2. 2,768 views
Examine the statement. Substances dissolve through three processes: I. ionization II. dissociation III. dispersion Which of the
1. 5 answers
2. 3,256 views
Which of the solvents will be most effective at dissolving a nonpolar gas like methane?water, a polar solvent solid mercury
1. 4 answers
2. 1,962 views
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
1. 2 answers
2. 533 views
Which filing status option(s) may be appropriate for someone who was divorced on the last day of the year and has no dependents?
1. 13 answers
2. 898 views
Which options best describe examples of items that may be used to reduce the amount of your taxable income? (Select all that may
1. 2 answers
2. 593 views
Examine the information.Isotope B has a half-life of 3 days. A scientist measures out 100 grams of this substance. After 6 days
1. 4 answers
2. 1,815 views
Which of the answer choices correctly describes an action that will increase the solubility of a solid solute in water?cool the
1. 7 answers
2. 1,254 views
Which of the answer choices correctly predicts the charge that would be present on a magnesium (Mg) ion, as shown in the
1. 3 answers
2. 375 views