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Questions (20)

iron(III) hydroxide---FeH3ammonium bromide----NH4Br copper(I) sulfate---Cu2SO4 tin(II) oxide-----Sn2O2
1. 3 answers
2. 644 views
Identify the monoatomic ion that has the following properties.a. 11 protons and 10 total electrons Na+ b. 9 protons and 8
1. 2 answers
2. 638 views
Give the name for each of the following:(a) SiF4----Silicon tetraflouride (b) CuBr2---Copper dibromide (c) MgCO3---Magnesium
1. 1 answer
2. 563 views
give the total number of protons and electrons in each atomCr2+ 24 protons 22 electrons Cr3+ 24 protons 21 electrons Ni3+ 28
1. 1 answer
2. 1,916 views
How many moles of nitrogen is 1.52 × 10 17 nitrogen atoms?
1. 1 answer
2. 356 views
A sample of magnesium weighs 10 grams. How many moles of magnesium are there in the sample?0.4 moles?
1. 3 answers
2. 1,346 views
How many carbon(C) atoms are present in 30. mol of carbon?1.8*10^25
1. 1 answer
2. 630 views
For each, give the total number of electrons, the number of valence electrons, and the number of the energy level that holds the
1. 1 answer
2. 738 views
Using a periodic table, determine the number of electrons held in energy levels 1-3 of each atom.B----2 in level 1--3 in level
1. 1 answer
2. 1,408 views
How many moles of iron is 67.9 g of Fe?1.22 moles Fe? How many grams of iron is 6.57 × 10-2 mol Fe? 3.66 g Fe
1. 1 answer
2. 444 views
You are traveling in a country that uses the metric system. Your child is sick and a nurse determines her temperature to be 40.8
1. 1 answer
2. 407 views
A patient has 0.050 L of blood drawn and this volume of blood has a mass of 55.0 g. What is the density of the blood? Use
1. 1 answer
2. 523 views
An antibiotic is sold in 4.0 mL ampoules that contain 60.0 mg of drug (60.0 mg/ 4.0 mL). How many milliliters of the antibiotic
1. 3 answers
2. 604 views
Zenapax® is used as part of immunosuppressive therapy for transplant patients. The dosage is calculated on the basis of 1.0
1. 1 answer
2. 967 views
(2.60 x 10^3 x 0.897) + 2.69 (with correct # of sig figs)IS the answer 2334.89
1. 1 answer
2. 431 views
Ethanol has a density of 0.780 g/mL. What volume would 500. grams of ethanol occupy. Answer with correct number of sig figs
1. 2 answers
2. 624 views
Zenapax® is used as part of immunosuppressive therapy for transplant patients. The dosage is calculated on the basis of 1.0
1. 2 answers
2. 1,186 views
A kitten's normal body temperature is 102ºF. Express this temperature in ºC.
1. 1 answer
2. 832 views
You are traveling in a country that uses the metric system. Your child is sick and a nurse determines her temperature to be 40.8
1. 1 answer
2. 571 views
Whose responsibility is it to determine if governmental acts are constitutional?
1. 2 answers
2. 490 views

Answers (5)

5.0
2,3,4
we have to have the right number of sig figs so wouldnt 0.4 be the right answer in terms of sig figs
1.3 ml
1100

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