kr

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

Questions

The following questions were asked by visitors named kr.

Whose responsibility is it to determine if governmental acts are constitutional?

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 ºC. What is this temperature in ºF?

A kitten's normal body temperature is 102ºF. Express this temperature in ºC.

Zenapax® is used as part of immunosuppressive therapy for transplant patients. The dosage is calculated on the basis of 1.0 mg/kg. What is the proper dose for a 175 lb patient? (Given: 1kg = 2.205 lbs)

Ethanol has a density of 0.780 g/mL. What volume would 500. grams of ethanol occupy. Answer with correct number of sig figs

(2.60 x 10^3 x 0.897) + 2.69 (with correct # of sig figs) IS the answer 2334.89

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 correct number of sig figs 1.1?

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 ºC. What is this temperature in ºF? (1.8*40.8)+32=105.44 105 (answer with correct # of sig figs)

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

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 2--0 in level 3 C--2 in level 1--4 in level 2--0 in level 3 Mg--2 in level 1--8 in level 2--2 in level 3

For each, give the total number of electrons, the number of valence electrons, and the number of the energy level that holds the valence electrons. Br-35 electrons--7 valence--4th level Kr-36 electrons--8 valence--4th level As-33 electrons--5 valence--4th...

How many carbon(C) atoms are present in 30. mol of carbon? 1.8*10^25

A sample of magnesium weighs 10 grams. How many moles of magnesium are there in the sample? 0.4 moles?

How many moles of nitrogen is 1.52 × 10 17 nitrogen atoms?

give the total number of protons and electrons in each atom Cr2+ 24 protons 22 electrons Cr3+ 24 protons 21 electrons Ni3+ 28 protons 25 electrons Ni4+ 28 protons 24 electrons

Give the name for each of the following: (a) SiF4----Silicon tetraflouride (b) CuBr2---Copper dibromide (c) MgCO3---Magnesium Carbonate (d) NH4NO3----Ammonium Nitrate

Identify the monoatomic ion that has the following properties. a. 11 protons and 10 total electrons Na+ b. 9 protons and 8 valence electrons F- c. 47 protons and 46 total electrons Ag+ d. 28 protons and 26 total electrons Ni2+

iron(III) hydroxide---FeH3 ammonium bromide----NH4Br copper(I) sulfate---Cu2SO4 tin(II) oxide-----Sn2O2

Answers

The following answers were posted by visitors named kr.

we have to have the right number of sig figs so wouldnt 0.4 be the right answer in terms of sig figs