Keri

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

Questions

The following questions were asked by visitors named Keri.

Help pleaasee!!!..my answer to this problem was 42.5..just need to know if im correct The girl's basketball team has played quite well this year. Their statistics for various shots are given below: They made 30% of their 3-point shots and take an average...

Solve the system of equations by graphing. Then clasify the the system. 7x-9y=-54 9y-7x=54

If a precipitation reaction occurs, when a solution of one substance is added to a solution of the other, enter the formula and state of the spectator ions. Separate by comma. If there is no reaction, enter the formula and state of all ions in solution. C...

The reaction of aqueous iron(II) sulfate and aqueous barium nitrate is represented by the balanced net ionic equation. SO42-(aq) + Ba2+(aq) → BaSO4(s) Give the balanced formula equation for the reaction. Include the states.

If 0.870 mol of liquid Br2 and 720 mL of 0.958 M aqueous NaI are reacted stoichiometrically according to the balanced equation, how many grams of solid I2 are produced? 2NaI(aq) + Br2(l) → 2NaBr(aq) + I2(s) help please. :)

Lilly wrote the equation below to demonstrate the commutative property. (2+3)+(3+4)=(3+4)+(2+3) Does her equation demostrate the commutative property?Explain why or why not.

Cost- 50 Selling Price- 125 Mark up rate - Unknown, Operating Profit- unknown Exected monthly sales (unit) 100 Need to solve for Mark up rate & Operating profit

The calcium ion carries a charge of 2+. The nitrate ion (NO3-) carries a charge of 1-. Which of the following is the correct formula for calcium nitrate? A. CaN2 B. CaNi C. CaNO3 D. Ca(NO3)2 C

The hydrogen carbonate ion is formed when an H+ ion combines with the polyatomic ion CO32-. What is the net charge on the hydrogen carbonate ion? A. 2- B. 1- C. 1+ D. 2+ A

A polyatomic ion is a tightly bound group of atoms that carries its own unique charge. True False I say true

How many atoms of nitrogen are in the chemical formula N2O? A. 1 B. 2 C. 3 D. 4 I say A

The chemical formula CCl4 tells us that there are a total of how many atoms in each molecule of the compound? A. 2 B. 3 C. 4 D. 5 I say D

Which of the following does NOT belong with the others? A. HCl B. HNO3 C. H2O2 D. H3PO4 I say A

Which of the following does NOT belong with the others? A. HNO3 B. H2SO4 C. H2CO3 D. OH- I think D

Which of the following is true of a substance with a pH of 11.0? A. The substance is an acid. B. The substance is a base. C. The substance is neutral. D. The substance is a transition metal. I think A

What is a special group of compounds that produce H+ ions when dissolved in water? A. Acids B. Ionic compounds C. Molecular compounds D. Polyatomic compounds I think A

Just wanted to say thank you very much for the help I got from everybody :)

Which of the following is generally defined as a substance composed of molecules in which two or more nonmetallic elements are joined? A. Binary compound B. Ionic compound C. Molecular compound D. Ternary compound I think A

Molecular compounds are generally composed of non-metal elements. True False I think true

A plane takes off from the ground at a 14-degree angle. After flying straight for 10,000 feet, what is the altitude of the plane?

Please help- I need to write a rule for each function. I have watched all the video's but this chart does not seem to have a pattern x y -4 4 0 6 2 7 4 8

hey i need help

Answers

The following answers were posted by visitors named Keri.

Ahhh..... im lost.... we use forumlas such as SP= C(1-d).. I need it put in that kind of perspective

I change my answer to D

ok thinking nor A but B

C. MOLECULAR COMPOUND

Stress is not a part of life. You do not have to have stress. Who ever this Mrs.Sue is she's stupid asf and I wouldn't listen to her

YOU WHERE RIGHT! THANKS

B C A D I got 4/4 connections accedemy😄

I decided to tell Everyone what the real answers are I got about 2 wrong when I took it but it gave me the real answers its for the unit 6 lesson 11 part 1. 1.a 2.c 3.c 4.d 5.c 6. a 7.a 8.c 9.c 10.d 11.d 12.a 13.c 14.b 15.d 16.b 17.c 18.a 19.a 20.a 21.b 2...