This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which nonmetal exists as a diatomic solid? A) bromine B) antimony C) phosphorus D) iodine E) ... (Read 29 times)

ENagel

  • Hero Member
  • *****
  • Posts: 540
on: Aug 27, 2018
Which nonmetal exists as a diatomic solid?
 
  A) bromine
  B) antimony
  C) phosphorus
  D) iodine
  E) boron

Question 2

Calculate the pH of a solution that is 0.278 M in sodium formate (NaHCO2 ) and 0.222 M in formic acid (HCO2H). The Ka of formic acid is 1.77  10-4.
 
  A) 3.843
  B) 3.647
  C) 13.90
  D) 10.16
  E) 4.954


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brittrenee

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

A


ENagel

  • Member
  • Posts: 540
Reply 2 on: Aug 27, 2018
:D TYSM

scikid

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

The phosphorus cycle. Numbers are 1012 g P or fluxes as 1012 g P per year (data from Schlesinger 199 The phosphorus cycle. Numbers are 1012 g P or fluxes as 1012 g P per year (data from Schlesinger 199
Starch iodine test for alpha amylase. Starch iodine test for alpha amylase.
Solid-phase synthesis of oligonucleotides by the phosphoramidite method Solid-phase synthesis of oligonucleotides by the phosphoramidite method
The phosphorus cycle "دورة الفوسفور" The phosphorus cycle "دورة الفوسفور"
Mixed dishes such as hamburgers and pizza are a major source of solid fats in the diets of Americans Mixed dishes such as hamburgers and pizza are a major source of solid fats in the diets of Americans
The density of Pb(s) is 11.34 g/cm3. Pb(s) exists in the cubic-closest packed structure The density of Pb(s) is 11.34 g/cm3. Pb(s) exists in the cubic-closest packed structure
Video: Structures that affect circulation - heart and systolic/diastolic BP

For a complete list of videos, visit our video library